Reference Range Interval Table

Reference Range Interval Table

2023-12-21T16:10:34-05:00

Reference Range / Interval Table

Color: =References Included
Specimen:  P=Plasma  S=Serum  U=Urine  WB=Whole blood  JF=Joint fluid  CSF=Cerebral spinal
Type:  BDef=Borderlinedeficient  Def=Deficient  Ex=Excessive  BH=Borderline high  Des=Desirable  H=High  Tox=Toxic  Rx=Therapeutic  BHR=Borderline High Risk  HR=High Risk  N=Normal  C=Critical  L=Low
AnalytePopulationMethodDescriptionSpecimenTypeUSUnitsSIUnitsRefernces
11-DeoxycortisolAdultImmunoassay8 am sampleSN12 to 158 ng/dL0.35 to 4.56 nmol/LHumanNo
11-DeoxycortisolAdult8 am sampleS12-158 ng/dl0.34-4.56 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
17-HydroxyprogesteroneAdultImmunoassayFemale Follicular PhaseSN20 to 100 ng/dL0.6 to 3 mmol/LHumanNo
17-HydroxyprogesteroneAdultImmunoassayFemale Mid-cycle PeakSN100 to 250 ng/dL3 to 7.5 mmol/LHumanNo
17-HydroxyprogesteroneAdultImmunoassayFemale Luteal PhaseSN100 to 500 ng/dL3 to 15 mmol/LHumanNo
17-HydroxyprogesteroneAdultImmunoassayFemale PostmenopausalSN<70 ng/dL<2.1 mmol/LHumanNo
17-HydroxyprogesteroneAdultImmunoassayMale SN5 to 250 ng/dL0.15 to 7.5 mmol/LHumanNo
17-HydroxyprogesteroneAdultMaleS5-250 ng/dl0.15 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
17-HydroxyprogesteroneAdultMenstruating - Follicular phaseS20-100 ng/dl0.6-3.0 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
17-HydroxyprogesteroneAdultMenstruating - Midcycle peakS100-250 ng/dl3.0-7.5 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
17-HydroxyprogesteroneAdultMenstruating - Luteal phaseS100-500 ng/dl3.0-15 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
17-HydroxyprogesteroneAdultPostmenopausalSLess than or Equal to 70 ng/dlLess than or Equal to 2.1 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
17-KetosteroidsAdultModified ZimmermanFemale UN5 to 15 mg/24 hrs17.3 to 52 umol/24 hrsHumanNo
17-KetosteroidsAdultModified ZimmermanMale UN7 to 20 mg/24 hrs24.3 to 69.3 umol/24 hrsHumanNo
17-KetosteroidsAdultU3-12 mg/24 hr10-42micromol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
5-Hydroxyindoleacetic AcidAdultU<6 mg/24 hr<31micromol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes5-HIAA
5-Hydroxyindoleacetic AcidAdultHPLC UN<6 mg/24 hrs<31.4 umol/dayHumanNo5-HIAA
5'-NucleotidaseAdultKinetic Method SN0 to 11 U/L0.02 to 0.18 ukat/LHumanNo
5'-NucleotidaseAdultS0-11 U/liter0.02-0.18microkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AcetaminophenAdultLiquid ChromatographyToxicitySTox>120 ug/mL>794 umol/LHumanNo
AcetaminophenAdultRx10-30 microgram/ml66-199 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AcetaminophenAdultTox>200 microgram/ml >1324 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AcetoacetateAdultP<1 mg/dl<100 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Acidity, titratableAdultU20-40 mEq/24 hr20-40 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Activated Clotting TimeAdultWB70-180 sec70-180 secKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Activated Protein C Resistance (factor V Leiden)AdultPRatio >2.1Not applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AdrenocorticotropinAdultImmunoassay PN6 to 76 pg/mL1.3 to 16.7 pmol/LHumanNoACTH
AdrenocorticotropinAdultP6.0-76.0 pg/ml1.3-16.7 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesACTH
AlanineAdultS0-35 U/liter0-0.58microkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesALT, SGPT
Alanine AminotransferaseAdultKinetic MethodFemale SN7 to 30 U/L0.12 to 0.5 ukat/LHumanNoALT,SGPT
Alanine AminotransferaseAdultKinetic MethodMale SN10 to 55 U/L0.17 to 0.92 ukat/LHumanNoALT,SGPT
AlbuminAdultColorimetry SN3.1 to 4.3 g/dL31 to 43 g/LHumanNoAlb
AlbuminAdultNephelometry CSFN11 to 48 mg/dL0.11 to 0.48 g/LHumanNoAlb
AlbuminAdultS3.5-5.5 g/dl35-55 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesAlb
AldolaseAdultKinetic method SN0 to 7 U/L0 to 7 U/LHumanNo
AldolaseAdultS0-6 U/liter0-100 nkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AldosteroneAdultImmunoassaySupine, Normal-Sodium DietS,PN2 to 9 ng/dL55 to 250 pmol/LHumanNo
AldosteroneAdultImmunoassayUpright, Normal-Sodium DietS,PN2 time sup to 5 times supi ng/dL2 time sup to 5 times supi pmol/LHumanNo
AldosteroneAdultImmunoassaySupine, Low-Sodium DietS,PN2 time sup to 5 times supi ng/dL2 time sup to 5 times supi pmol/LHumanNo
AldosteroneAdultImmunoassayUrine, Normal-Sodium DietUN2.3 to 21 ug/24 hrs6.38 to 58.25 nmol/24 hrsHumanNo
AldosteroneAdultSupine, normal-sodium dietS, P2-9 ng/dl55-250 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AldosteroneAdultUpright, normal-sodium dietS, P2-5 times supine value with normal-sodium dietKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AldosteroneAdultSupine, low-sodium dietS, P2-5 times supine value with normal-sodium dietKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AldosteroneAdultRandom, low-sodium dietU2.3-21.0 microgram/24 hr6.38-58.25 nmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Alkaline PhosphataseAdultKinetic MethodFemale SN30 to 100 U/L0.5 to 1.67 ukat/LHumanNoALP, Alk Phos
Alkaline PhosphataseAdultKinetic MethodMale SN45 to 115 U/L0.75 to 1.92 ukat/LHumanNoALP, Alk Phos
Alkaline PhosphataseAdultKinetic MethodHeat FractionatedSN20 to 35 %0.2 to 0.35 ukat/LHumanNoALP, Alk Phos
Alpha1-AntitrypsinAdultNephelometry SN76 to 189 mg/dL0.76 to 1.89 g/LHumanNo
Alpha1-AntitrypsinAdultS85-213 mg/dl0.8-2.1 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Alpha2-AntiplasminAdultChromogenic Assay PN80 to 130 %0.8 to 1.3 HumanNo
Alpha2-AntiplasminAdultP80-130%0.80-1.30Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Alpha-FetoproteinAdultS<15 ng/ml<15 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesAFP
Alpha-FetoproteinAdultImmunoassayNonmaternalSN<12.8 IU/mL<9.92 ug/LHumanNoAFP
AmikacinAdultImmunoassayTroughSRx1 to 7 ug/mL1.7 to 12 umol/LHumanNo
AmikacinAdultImmunoassayPeakSRx15 to 25 ug/mL26 to 43 umol/LHumanNo
AmikacinAdultPeakRx25-35 microgram/ml43-60 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmikacinAdultTroughRx4-8 microgram/ml6.8-13.7 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmikacinAdultPeakTox>35 microgram/ml >60 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmikacinAdultTroughTox>10 microgram/ml >17 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmitriptylineAdultLiquid ChromatographyMitrptylineSRx120 to 250 ug/L433 to 903 nmol/LHumanNo
AmitriptylineAdultLiquid ChromatographyNortriptylineSRx50 to 150 ug/L181 to 542 nmol/LHumanNo
AmitriptylineAdultRx120-250 ng/ml433-903 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmitriptylineAdultTox>500 ng/ml >1805 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmmoniaAdultEnzymatic Analysis PN12 to 48 umol/L12 to 48 umol/LHumanNo
AmmoniaAdultU30-50 mEq/24 hr30-50 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Ammonia, as NH3AdultP10-80 microgram/deciliter6-47 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmphetamineAdultRx20-30 ng/ml148-222 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmphetamineAdultTox>200 ng/ml >1480 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AmylaseAdultKinetic Method SN53 to 123 U/L0.88 to 2.05 nkat/LHumanNoAmy
AmylaseAdultKinetic Method PN43 to 115 U/L0.72 to 1.92 nkat/LHumanNoAmy
AmylaseAdultKinetic Method UN4 to 400 U/L0.07 to 6.67 nkat/LHumanNoAmy
AmylaseAdultS60-180 U/liter0.8-3.2microkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesAmy
AmylaseAdultU4-400 U/liter0.07-7.67 nkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesAmy
Amylase : Creatinine Clearance RatioAdultU1-51-5Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AndrostenedioneAdultImmunoassay SN50 to 250 ng/dL1.75 to 8.73 nmol/LHumanNo
AndrostenedioneAdultS50-250 ng/dl1.75-8.73 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Angiotensin-Converting EnzymeAdultKinetic MethodFemale SN19 to 79 U/L19 to 79 U/LHumanNoACE
Angiotensin-Converting EnzymeAdultKinetic MethodMale SN19 to 95 U/L19 to 95 U/LHumanNoACE
Angiotensin-Converting EnzymeAdultS<40 U/liter<670 nkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesACE
Anion GapAdultS7-16 mmol/liter7-16 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Anion GapAdultApolipoprotein A-1S119-240 mg/dl1.2-2.4 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Anion GapAdultApolipoprotein BS52-163 mg/dl0.52-1.63 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Anion GapAdultApolipoprotein B:apolipoprotein A-1S0.35-0.980.35-0.98Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Anticardiolipin AntibodyAdultELISAIgGSN0 to 15 GPL units0 to 15 arbitraryHumanNo
Anticardiolipin AntibodyAdultELISAIgMSN0 to 15 MPL units0 to 15 arbitraryHumanNo
Anticardiolipin AntibodyAdultIgGS0-15 GPL units0-15 arbitrary unitsKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Anticardiolipin AntibodyAdultIgMS0-15 MPL units0-15 arbitrary unitsKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Anti-Glomerular Basement Membrane AntibodiesAdultELISAQuantitativeSN<5 U/mL<5 kU/LHumanNo
Antineutrophil perinuclear autoantibodiesAdultELISAantibodies to myeloperoxidaseSN<1.4 U/ml<1.4 kU/LHumanNoP-ANCA
Antineutrophil cytoplasmic autoantibodiesAdultELISAantibodies to proteinase 3SN<2.8 U/ml<2.8 kU/LHumanNoC-ANCA
Antiphospholipid-Antibody PanelAdultPartial-thromboplastin time-lupus anticoagulant screenPNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Antiphospholipid-Antibody PanelAdultPlatelet-neutralization procedurePNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Antiphospholipid-Antibody PanelAdultDilute viper-venom screenPNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Antithrombin IIIAdultChromogenic AssayFunctionalPN80 to 130 %0.8 to 1.3 U/LHumanNo
Antithrombin IIIAdultImmunoassayImmunologicPN22 to 39 mg/dL220 to 390 mg/LHumanNo
Antithrombin IIIAdultAntigenicP22-39 mg/dl220-390 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Antithrombin IIIAdultFunctionalP80-130%0.8-1.30 U/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Antithyroid AntibodiesAdultImmunoassay SN<0.3 IU/mL<0.3 kIU/LHumanNo
Anti-Xa assay (Heparin Assay)AdultChromogenic AssayUnfractinated heparinPN0.3 to 0.7 IU/mL0.3 to 0.7 kIU/LHumanNo
Anti-Xa assay (Heparin Assay)AdultChromogenic Assaylow-molecular weight heparinPN0.5 to 1 IU/mL0.5 to 1 kIU/LHumanNo
Anti-Xa assay (Heparin Assay)AdultChromogenic AssayDanaparoidPN0.5 to 0.8 IU/mL0.5 to 0.8 kIU/LHumanNo
Anti-Xa assay (Heparin Assay)AdultUnfractionated heparinP0.3-0.7 IU/ml0.3-0.7 kIU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Anti-Xa assay (Heparin Assay)AdultLow-molecular-weight heparinP0.5-1.0 IU/ml0.5-1.0 kIU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Anti-Xa assay (Heparin Assay)AdultDanaparoidP0.5-0.8 IU/ml0.5-0.8 kIU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ApolipoproteinAdultNephelometryA-1SN119 to 240 mg/dL1.19 to 2.4 g/LHumanNo
ApolipoproteinAdultNephelometryBSN52 to 163 mg/dL0.52 to 1.63 g/LHumanNo
ApolipoproteinAdultNephelometryapolipoprotein B:A-1 ratioSN0.35 to 0.980.35 to 0.98HumanNo
Arterial Blood Gases (Sea Level)AdultWB, arterialKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Arterial Blood Gases (Sea Level)AdultBicarbonate (HCO3)WB, arterial21-30 mEq/liter21-28 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Arterial Blood Gases (Sea Level)AdultPartial pressure of carbon dioxide (PCO2)WB, arterial35-45 mm Hg4.7-5.9 kPaKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Arterial Blood Gases (Sea Level)AdultpHWB, arterial7.38-7.447.38-7.44Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Arterial Blood Gases (Sea Level)AdultPartial pressure of oxygen (PO2)WB, arterial80-100 mg Hg11-13 kPaKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AspartateAdultS0-35 U/liter0-0.58microkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesAST, SGOT
Aspartate AminotransferaseAdultKinetic MethodFemale SN9 to 25 U/L0.15 to 0.42 ukat/LHumanNoAST, SGOT
Aspartate AminotransferaseAdultKinetic MethodMale SN10 to 40 U/L0.17 to 0.67 ukat/LHumanNoAST, SGOT
AutoantibodiesAdultAntiadrenal antibodySNegative at 1:10 dilutionNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-double-stranded (native) DNASNegative at 1:10 dilutionNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-glomerular basement membrane antibodySKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-glomerular basement membrane antibody - QualitativeSNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-glomerular basement membrane antibody - QuantitativeS<5 U/ml<5 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntigranulocyte antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-Jo-1 antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-La antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntimitochondrial antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntineutrophil cytoplasmic autoantibody, cytoplasmic (c-ANCA) - QualitativeSNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntineutrophil cytoplasmic autoantibody, cytoplasmic (c-ANCA) - Quantitative (antibody to proteinase 3)S<2.8 U/ml<2.8 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntineutrophil cytoplasmic autoantibody, perinuclear (p-ANCA) - QualitativeSNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntineutrophil cytoplasmic autoantibody, perinuclear (p-ANCA) - Quantitative (antibody to myeloperoxidase)S<1.4 U/ml<1.4 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntinuclear antibodySNegative at 1:40 dilutionNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-parietal-cell antibodySNegative at 1:20 dilutionNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-Ro antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntiplatelet antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-RNP antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-Scl-70 antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-Smith antibodySNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAnti-smooth-muscle antibodySNegative at 1:20 dilutionNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntithyroglobulinSNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
AutoantibodiesAdultAntithyroid antibodyS<0.3 IU/ml<0.3 kIU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
BarbituratesAdultMost short-actingTox>20 mg/liter >88 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Bence Jones ProteinAdultNephelometryKappaUN<2.5 mg/dL<0.03 g/LHumanNo
Bence Jones ProteinAdultNephelometryLambdaUN<5.0 mg/dL<0.05 g/LHumanNo
Bence Jones ProteinAdultSNone detectedNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Bence Jones ProteinAdultBence Jones protein - QualitativeUNone detected in 50-fold concentrated specimenNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Bence Jones ProteinAdultQuantitative - KappaU<2.5 mg/dl<0.03 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Bence Jones ProteinAdultQuantitative - LambdaU<5.0 mg/dl<0.05 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Beta2-MicroglobulinAdultImmunoassay S,PN1.2 to 2.8 mg/L1.2 to 2.8 mg/LHumanNo
Beta2-MicroglobulinAdultImmunoassay UN<200 ug/L<200 ug/LHumanNo
Beta2-MicroglobulinAdultS1.2-2.8 mg/liter1.2-2.8 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Beta2-MicroglobulinAdultULess than or Equal to 200 microgram/literLess than or Equal to 200 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Beta2-MicroglobulinAdultS<0.27 mg/dl<2.7 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Beta2-MicroglobulinAdultU<120 microgram/day<120 microgram/dayKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
b-HydroxybutyrateAdultP<3 mg/dl<300 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
BicarbonateAdultCalculation WB, SN22 to 26 meq/L22 to 26 mmol/LHumanNo
BilirubinAdultTotalS0.3-1.0 mg/dl5.1-17.0 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
BilirubinAdultDirectS0.1-0.3 mg/dl1.7-5.1 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
BilirubinAdultIndirectS0.2-0.7 mg/dl3.4-12.0 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Bilirubin (Direct)AdultColorimetry SN0 to 0.4 mg/dL0 to 7 umol/LHumanNoD Bili, Direct, Conjugated
Bilirubin (Total)AdultColorimetry SN0 to 1 mg/dL0 to 17 umol/LHumanNoT Bili, Total
Bleeding TimeAdultSurgicutt N2 to 9.5 minutes2 to 9.5 minutesHumanNo
Bleeding TimeAdult2.0-9.5 min2.0-9.5 minKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Brain-Type Natriuretic PeptideAdultP<167 pg/ml (age- and sex-dependent)<167 ng/liter (age- and sex-dependent)Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesBNP
BromideAdultTox>1250 microgram/ml >15.6 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
C1-Esterase-Inhibitor ProteinAdultNephelometryAntigenicSN12.4 to 24.5 mg/dL0.12 to 0.25 g/LHumanNo
C1-Esterase-Inhibitor ProteinAdultAntigenicS12.4-24.5 mg/dl0.12-0.25 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
C1-Esterase-Inhibitor ProteinAdultFunctionalSPresentPresentKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CA 125AdultS0-35 U/ml0-35 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CA 125AdultImmunoassay SN0 to 35 U/ml0 to 35 kU/LHumanNo
CA 15-3AdultImmunoassay SN0 to 30 U/ml0 to 30 kU/LHumanNo
CA 15-3AdultS0-30 U/ml0-30 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CA 19-9AdultImmunoassay SN0 to 37 U/ml0 to 37 kU/LHumanNo
CA 19-9AdultS0-37 U/ml0-37 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CA 27-29AdultImmunoassay SN0 to 32 U/ml0 to 32 kU/LHumanNo
CA 27-29AdultS0-32 U/ml0-32 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CalcitoninAdultImmunoassayFemale SN2 to 17 pg/mL2 to 17 ng/LHumanNo
CalcitoninAdultImmunoassayMale SN3 to 26 pg/mL3 to 26 ng/LHumanNo
CalcitoninAdultMaleS3-26 pg/ml3-26 ng/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CalcitoninAdultFemaleS2-17 pg/ml2-17 ng/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CalciumAdultColorimetry SN8.5 to 10.5 mg/dL2.1 to 2.6 mmol/LHumanNo
CalciumAdultColorimetry UN0 to 300 mg/24 hrs0 to 7.5 mmol/24 hrsHumanNo
CalciumAdultIon-selective ElectrodeIonizedWBN1.14 to 1.3 mmol/L1.14 to 1.3 mmol/lHumanNo
CalciumAdultS9.0-10.5 mg/dl2.2-2.6 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CalciumAdultWith dietary calcium 10 mEq/24 hr or 200 mg /24 hrU<300 mg/24 hr<7.5 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Calcium (Ionized)AdultWB4.5-5.6 mg/dl1.1-1.4 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CarbamazepineAdultImmunoassay SRx4 to 12 ug/mL17 to 51 umol/LHumanNoCarb, Tegretol
CarbamazepineAdultRx6-12 microgram/ml26-51 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CarbamazepineAdultTox>15 microgram/ml >63 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Carbon DioxideAdultContent, sea levelP21-30 mEq/liter21-30 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Carbon DioxideAdultPartial pressure (PCO2), sea levelWB, arterial35-45 mm Hg4.7-5.9 kPaKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Carbon Dioxide (Partial Pressure)AdultCarbon dioxide electrodeAterialWBN35 to 45 mm Hg4.7 to 6 kPaHumanNoPaCO2, pCO2
Carbon Dioxide Content (Total)AdultCarbon dioxide electrodeTotalPN24 to 30 mmol/L24 to 30 mmol/LHumanNo
Carbon monoxide contentAdultWBSymptoms with 20% saturation of hemoglobinKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CarboxyhemoglobinAdultCo-oximetry WBN<5 % total hgb<0.05 fraction total hHumanNo
CarboxyhemoglobinAdultNonsmokerWB0-2.3%0-0.023Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CarboxyhemoglobinAdultSmokerWB2.1-4.2%0.021-0.042Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Carcinoembryonic AntigenAdultImmunoassay P, SN0 to 3.4 ng/mL0 to 3.4 ug/LHumanNoCEA
Carcinoembryonic AntigenAdultS0-3.4 ng/ml0-3.4 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesCEA
CatecholaminesAdultHPLCEpinephrineUN2 to 24 ug/24 hrs11 to 131 nmol/24 hrsHumanNo
CatecholaminesAdultHPLCNorepinephrineUN15 to 100 ug/24 hrs89 to 591 nmol/24 hrsHumanNo
CatecholaminesAdultHPLCDopamineUN52 to 480 ug/24 hrs340 to 3134 nmol/24 hrsHumanNo
CatecholaminesAdultHPLCTotal (Epinephrine + NorepinephrinUN26 to 121 ug/24 hrs142 to 660 nmol/24 hrsHumanNo
CeruloplasminAdultNephelometry SN27 to 50 mg/dL270 to 500 mg/LHumanNo
CeruloplasminAdultS27-37 mg/dl270-370 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ChlordiazepoxideAdultLiquid Chromatography SRx1 to 3 mg/L3.3 to 10 umol/LHumanNo
ChlordiazepoxideAdultRx700-1000 ng/ml2.34-3.34 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ChlordiazepoxideAdultTox>5000 ng/ml >16.7 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ChlorideAdultColorimetry PN100 to 108 mmol/L100 to 108 mmol/LHumanNoCl
ChlorideAdultColorimetry UNdepends on to depends on d mmol/Ldepends on to depends on d mmol/LHumanNoCl
ChlorideAdultColorimetry CSFN120 to 130 mmol/L120 to 130 mmol/LHumanNoCl
ChlorideAdultS98-106 mEq/liter98-106 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesCl
CholesterolAdultColorimetryDesirableSDes<200 mg/dL<5.17 mmol/LHumanNo
CholesterolAdultColorimetryBorderline HighSBH200 to 239 mg/dL5.17 to 6.18 mmol/LHumanNo
CholesterolAdultColorimetryHighSH>239 mg/dL>6.18 mmol/LHumanNo
Cholesterol (Total)AdultDesirableP<200 mg/dl<5.17 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Cholesterol (Total)AdultBorderline highP200-239 mg/dl5.17-6.18 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Cholesterol (Total)AdultHighGreater than or Equal to 240 mg/dlGreater than or Equal to 6.18 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Cholesterol, High-density Lipoprotein AdultLowP<40 mg/dl<1.03 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesHDL
Cholesterol, High-density Lipoprotein AdultHighPGreater than or Equal to 60 mg/dlGreater than or Equal to 1.55 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesHDL
Cholesterol, Low-density LipoproteinAdultOptimalP<100 mg/dl<2.59 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLDL
Cholesterol, Low-density LipoproteinAdultNear or above normalP100-129 mg/dl2.59-3.34 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLDL
Cholesterol, Low-density LipoproteinAdultBorderline highP130-159 mg/dl3.36-4.11 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLDL
Cholesterol, Low-density LipoproteinAdultHighP160-189 mg/dl4.13-4.88 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLDL
Cholesterol, Low-density LipoproteinAdultVery highPGreater than or Equal to 190 mg/dlGreater than or Equal to 4.91 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLDL
CholinesteraseAdultS5-12 U/ml5-12 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ClomipramineAdultLiquid Chromatography SRx150 to 450 ug/L476 to 1427 nmol/LHumanNo
ClonazepamAdultLiquid Chromatography SRx10 to 70 ug/L32 to 222 nmol/LHumanNo
ClonazepamAdultRx15-60 ng/ml48-190 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ClonazepamAdultTox>80 ng/ml >254 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Clot RetractionAdultManual WBN50 to 100 %/2hr0.5 to 1 /2hrHumanNo
Clot RetractionAdultWB50-100%/2 hr0.50-1.00/2 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ClozapineAdultLiquid ChromatographyClozapineSRx150 to 500 ug/L459 to 1530 nmol/LHumanNo
ClozapineAdultLiquid ChromatographyNorclozapineSRx100 to 450 ug/L320 to 1440 nmol/LHumanNo
ClozapineAdultRx200-350 ng/ml0.6-1.0 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CocaineAdultTox>1000 ng/ml >3300 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ComplementAdultImmunoassayTotal ComplementSN63 to 145 U/mL63 to 145 kU/LHumanNo
ComplementAdultC3S86-184 mg/dl0.86-1.84 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ComplementAdultC4S20-58 mg/dl0.20-0.58 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ComplementAdultTotal complement, enzyme immunoassayS63-145 U/ml63-145 kU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ComplementAdultFactor BS17-42 mg/dl0.17-0.42 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CopperAdultS70-140 microgram/deciliter11-22 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CopperAdultU3-35 microgram/24 hr0.047-0.55micromol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Coproporphyrins, types I and IIIAdultU100-300 microgram/24 hr150-460micromol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CortisolAdultImmunoassayFasting, 8am - noonSN5 to 25 ug/dL138 to 690 nmol/LHumanNo
CortisolAdultImmunoassayNoon - 8 pmSN5 to 15 ug/dL138 to 414 nmol/LHumanNo
CortisolAdultImmunoassay8 pm - 8 amSN0 to 10 ug/dL0 to 276 nmol/LHumanNo
CortisolAdultImmunoassayFreeUN20 to 70 ug/24 hrs55 to 193 nmol/24 hrsHumanNo
CortisolAdultFasting, 8 a.m.-noonS5-25 microgram/deciliter138-690 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CortisolAdultNoon-8 p.m.5-15 microgram/deciliter138-414 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CortisolAdult8 p.m.-8 a.m.0-10 microgram/deciliter0-276 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Cortisol (Free)AdultU20-70 microgram/24 hr55-193 nmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
C-PeptideAdultImmunoassay S, PN0.5 to 2 ng/mL0.17 to 0.66 nmol/LHumanNo
C-PeptideAdultS0.5-2.0 ng/ml0.17-0.66 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
C-Reactive ProteinAdultNephelometry SN0 to 12 mg/L0 to 12 mg/LHumanNo
C-Reactive ProteinAdultRoutineS0.08-3.10 mg/liter0.08-3.10 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
C-Reactive ProteinAdultHigh-sensitivityS0.02-8.00 mg/liter0.02-8.00 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Creatine KinaseAdultImmunoassayMB fractionSN0 to 5 ng/mL0 to 5 ug/LHumanNoCK, CPK
Creatine KinaseAdultKinetic MethodFemale SN40 to 150 U/L0.67 to 2.5 ukat/LHumanNoCK, CPK
Creatine KinaseAdultKinetic MethodMale SN60 to 400 U/L1 to 6.67 ukat/LHumanNoCK, CPK
Creatine KinaseAdultIsoenzyme IndexSN0 to 2.5 % relative index noneHumanNoCK, CPK
Creatine Kinase (MB isoenzyme)AdultS0-7 ng/ml0-7 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Creatine Kinase (Relative index)AdultSMethod-dependentMethod-dependentKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Creatine Kinase (Total)AdultTotal - FemaleS40-150 U/liter0.67-2.50microkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesCK, CPK
Creatine Kinase (Total)AdultTotal - MaleS60-400 U/liter1.00-6.67microkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesCK, CPK
Creatine, as creatinineAdultFemaleU<100 mg/24 hr<760 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Creatine, as creatinineAdultMaleU<50 mg/24 hr<380 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CreatinineAdultColorimetry PN0.6 to 1.5 mg/dL53 to 133 umol/LHumanNoCreat
CreatinineAdultColorimetry UN15 to 25 mg/kg/day0.13 to 0.22 mmol/kg/dayHumanNoCreat
CreatinineAdultU1.0-1.6 g/24 hr8.8-14 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesCreat
CreatinineAdultS<1.5 mg/dl<133 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CryofibrinogenAdultPNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CryoproteinsAdultSNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CyclosporineAdultRxVaries with time after Varies with time after dose and type of trans- dose and type of trans- plantation, with ranges plantation, with ranges of 100-400 ng/ml of 83-333 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
CyclosporineAdultToxVaries with time after Varies with time after dose and type of trans- dose and type of trans- plantation, with ranges plantation, with ranges of 100-400 ng/ml of 83-333 nmol/literVaries with time after Varies with time after dose and type of trans- dose and type of trans- plantation plantationKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
d-DimerAdultLatex Agglutination PN<0.5 ug/mL<0.5 mg/LHumanNo
d-DimerAdultP<0.5 microgram/ml<0.5 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
DehydroepiandrosteroneAdultImmunoassayFemale SN130 to 980 ng/dL4.5 to 34 nmol/LHumanNoDHEA
DehydroepiandrosteroneAdultImmunoassayMale SN180 to 1250 ng/dL6.24 to 43.3 nmol/LHumanNoDHEA
DehydroepiandrosteroneAdultMaleS180-1250 ng/dl6.24-41.6 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDHEA
DehydroepiandrosteroneAdultFemale130-980 ng/dl4.5-34.0 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDHEA
Dehydroepiandrosterone SulfateAdultMaleS10-619 microgram/deciliter100-6190 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDHEA
Dehydroepiandrosterone SulfateAdultFemale (premenopausal)S12-535 microgram/deciliter120-5350 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDHEA
Dehydroepiandrosterone SulfateAdultFemale (postmenopausal)S30-260 microgram/deciliter300-2600 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDHEA
Dehydroepiandrosterone SulfateAdultImmunoassayFemale PremenopausalSN12 to 535 ug/dL120 to 5350 ug/LHumanNoDHEA-SO4
Dehydroepiandrosterone SulfateAdultImmunoassayFemale PostmenopausalSN30 to 260 ug/dL300 to 2600 ug/LHumanNoDHEA-SO4
Dehydroepiandrosterone SulfateAdultImmunoassayMale SN10 to 619 ug/dL100 to 6190 ug/LHumanNoDHEA-SO4
DeoxycorticosteroneAdultImmunoassay SN2 to 19 ng/dL61 to 576 nmol/LHumanNoDOC
DeoxycorticosteroneAdultS2-19 ng/dl61-576 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDOC
DesipramineAdultLiquid Chromatography SRx150 to 300 ug/L563 to 1125 nmol/LHumanNo
DesipramineAdultRx75-300 ng/ml281-1125 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
DesipramineAdultTox>400 ng/ml >1500 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
DiazepamAdultLiquid Chromatography SRx100 to 1000 ug/L0.35 to 3.5 umol/LHumanNo
DiazepamAdultRx100-1000 ng/ml0.35-3.51 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
DiazepamAdultTox>5000 ng/ml >17.55 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Differential Blood CountAdultAutomated or ManualNeutrophilsWBN45 to 75 %0.45 to 0.75 HumanNoDiff
Differential Blood CountAdultAutomated or ManualBandsWBN0 to 5 %0 to 0.05 HumanNoDiff
Differential Blood CountAdultAutomated or ManualLymphocytesWBN16 to 46 %0.16 to 0.46 HumanNoDiff
Differential Blood CountAdultAutomated or ManualMonocytesWBN4 to 11 %0.04 to 0.11 HumanNoDiff
Differential Blood CountAdultAutomated or ManualEosinophilsWBN0 to 8 %0 to 0.08 HumanNoDiff
Differential Blood CountAdultAutomated or ManualBasophilsWBN0 to 3 %0 to 0.03 HumanNoDiff
Differential Blood CountAdultNeutrophilsWB40-70%0.40-0.70Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDiff
Differential Blood CountAdultBand formsWB0-10%0-0.10Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDiff
Differential Blood CountAdultLymphocytesWB22-44%0.22-0.44Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDiff
Differential Blood CountAdultMonocytesWB4-11%0.04-0.11Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDiff
Differential Blood CountAdultEosinophilsWB0-8%0-0.08Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDiff
Differential Blood CountAdultBasophilsWB0-3%0-0.03Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDiff
DigoxinAdultImmunoassay SRx0.9 to 2 ng/mL1.2 to 2.6 nmol/LHumanNoDig, Lanoxin
DigoxinAdultRx0.8-2.0 ng/ml1.0-2.6 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDig, Lanoxin
DigoxinAdultTox>2.5 ng/ml >3.2 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDig, Lanoxin
DopamineAdultP<87 pg/ml<475 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
DopamineAdultU65-400 microgram/day425-2610 nmol/dayKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
DoxepinAdultLiquid Chromatography SRx150 to 250 ug/L537 to 895 nmol/LHumanNo
DoxepinAdultRx30-150 ng/ml107-537 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
DoxepinAdultTox>500 ng/ml >1790 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Eosinophil Count (Total)AdultAutomated Cell Counter WBN70 to 440 mm^370 to 440x10^6/LHumanNoEO
EosinophilsAdultU<100 eosinophils/ml<100 eosinophils/mlKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EpinephrineAdultSupine (30 min)P<50 pg/ml<273 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EpinephrineAdultSittingP<60 pg/ml<328 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EpinephrineAdultStanding (30 min)P<900 pg/ml<4914 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EpinephrineAdultStanding (30 min)U0-20 microgram/day0-109 nmol/dayKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Erythrocyte CountAdultAutomated Cell CounterFemale WBN4.1 to 5.1x10^6/mm34.1 to 5.1x10^12/LHumanNoRBC
Erythrocyte CountAdultAutomated Cell CounterMale WBN4.5 to 5.3x10^6/mm34.5 to 5.3x10^12/LHumanNoRBC
Erythrocyte CountAdultMaleWB4.50-5.90x10^6/mm^34.50-5.90x10^12/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesRBC
Erythrocyte CountAdultFemaleWB4.00-5.20x10^6/mm^34.00-5.20x10^12/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesRBC
Erythrocyte LifespanAdultNormal survivalWB120 days120 daysKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Erythrocyte LifespanAdultChromium labeled, half-lifeWB25-35 days25-35 daysKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Erythrocyte Sedimentation RateAdultAutomated ESRFemale WBN1 to 25 mm/hr1 to 25 mm/hrHumanNoESR
Erythrocyte Sedimentation RateAdultAutomated ESRMale WBN0 to 17 mm/hr0 to 17 mm/hrHumanNoESR
Erythrocyte Sedimentation RateAdultFemaleWB1-25 mm/hr1-25 mm/hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesESR
Erythrocyte Sedimentation RateAdultMaleWB0-17 mm/hr0-17 mm/hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesESR
ErythropoietinAdultS5-36 IU/liter5-36 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstradiolAdultImmunoassayFemale Follicular PhaseS,PN50 to 145 pg/mL184 to 532 pmol/LHumanNo
EstradiolAdultImmunoassayFemale Mid-cycle PeakS,PN112 to 443 pg/mL411 to 1626 pmol/LHumanNo
EstradiolAdultImmunoassayFemale Luteal phaseS,PN50 to 241 pg/mL184 to 885 pmol/LHumanNo
EstradiolAdultImmunoassayFemale PostmenopausalS,PN<59 pg/mL<217 pmol/LHumanNo
EstradiolAdultImmunoassayMale S,PN<50 pg/mL<184 pmol/LHumanNo
EstradiolAdultMenstruating - Follicular phaseS, P<20-145 pg/ml184-532 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstradiolAdultMenstruating - Midcycle peakS, P112-443 pg/ml411-1626 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstradiolAdultMenstruating - Luteal phaseS, P<20-241 pg/ml184-885 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstradiolAdultPostmenopausalS, P<59 pg/ml217 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstradiolAdultMaleS, P<20 pg/ml184 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstroneAdultMenstruating - Follicular phaseS, P1.5-15.0 pg/ml55-555 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstroneAdultMenstruating - Luteal phaseS, P1.5-20.0 pg/ml55-740 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstroneAdultPostmenopausalS, P1.5-5.5 pg/ml55-204 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EstroneAdultMaleS, P1.5-6.5 pg/ml55-240 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EthanolAdultGas ChromatographyClinical IntoxicationSH>1000 mg/L>1.0 g/LHumanNoEthyl alcohol, ETOH
EthanolAdultTox>300 mg/dl >65 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesEthyl alcohol, ETOH
EthanolAdultBehavioral changesTox>20 mg/dl >4.3 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesEthyl alcohol, ETOH
EthanolAdultClinical intoxicationTox>100 mg/dl >1 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesEthyl alcohol, ETOH
EthosuximideAdultRx40-100 microgram/ml283-708 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
EthosuximideAdultTox>150 microgram/ml >1062 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor IIAdultAutomated Clotting Assay PN60 to 140 %0.6 to 1.4 HumanNoProthrombin
Factor II, ProthrombinAdultP60-140%0.60-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor IXAdultAutomated Clotting Assay PN60 to 140 %0.6 to 1.4 HumanNo
Factor IXAdultP60-140%0.60-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor VAdultAutomated Clotting Assay PN60 to 140 %0.6 to 1.4 HumanNo
Factor VAdultP60-140%0.60-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor VIIAdultAutomated Clotting Assay PN60 to 140 %0.6 to 1.4 HumanNo
Factor VIIAdultP60-140%0.60-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor VIIIAdultAutomated Clotting Assay PN50 to 200 %0.5 to 2 HumanNo
Factor VIIIAdultP50-200%0.50-2.00Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor XAdultAutomated Clotting Assay PN60 to 140 %0.6 to 1.4 HumanNo
Factor XAdultP60-140%0.60-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor XIAdultAutomated Clotting Assay PN60 to 140 %0.6 to 1.4 HumanNo
Factor XIAdultP60-140%0.60-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor XIIAdultAutomated Clotting Assay PN60 to 140 %0.6 to 1.4 HumanNo
Factor XIIAdultP60-140%0.60-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor XIII screenAdultPNo deficiency detectedNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Factor-Inhibitor AssayAdultAutomated Clotting Assay PN<0.5 Bethesda unit<0.5 Bethesda unitHumanNo
Factor-Inhibitor AssayAdultP<0.5 Bethesda unit<0.5 Bethesda unitKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Fatty acids, free (nonesterified)AdultP<8-25 mg/dl0.28-0.89 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
FerritinAdultImmunoassayFemale SN10 to 200 ng/mL10 to 200 ug/LHumanNo
FerritinAdultImmunoassayMale SN30 to 300 ng/mL30 to 300 ug/LHumanNo
FerritinAdultFemaleS30-300 ng/ml30-300 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
FerritinAdultFemaleS10-200 ng/ml10-200 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Fibrin and Fibrinogen-Degradation ProductsAdultLatex Agglutination PN<2.5 ug/mL<2.5 mg/LHumanNoFDP
Fibrin and Fibrinogen-Degradation ProductsAdultP<2.5 microgram/ml<2.5 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFDP
FibrinogenAdultAutomated Clotting Assay PN175 to 400 mg/dL1.75 to 4 umol/LHumanNoFib
FibrinogenAdultP150-400 mg/dl1.50-4.00 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFib
FlecainideAdultRx0.2-1.0 microgram/ml0.5-2.4 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
FlecainideAdultTox>1.0 microgram/ml >2.4 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
FluoxetineAdultLiquid ChromatographyFluoxetineSRx50 to 450 ug/L162 to 1454 nmol/LHumanNo
FluoxetineAdultLiquid ChromatographyNorfluoxetineSRx50 to 450 ug/L169 to 1521 nmol/LHumanNo
FluvoxamineAdultLiquid Chromatography SRx12 to 240 ug/L38 to 756 nmol/LHumanNo
Folate (Folic Acid)AdultImmunoassayNormalS, PN3.1 to 17.5 ng/mL7 to 39.7 nmol/LHumanNo
Folate (Folic Acid)AdultImmunoassayBorderline DeficientS, PBDef2.2 to 3 ng/mL5 to 6.8 nmol/LHumanNo
Folate (Folic Acid)AdultImmunoassayDeficientS, PDef<2.2 ng/mL<5.0 nmol/LHumanNo
Folate (Folic Acid)AdultImmunoassayExcessiveS, PEX>17.5 ng/mL>39.7 nmol/LHumanNo
Folate (Folic Acid)AdultNormalS, P3.1-17.5 ng/ml7.0-39.7 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Folate (Folic Acid)AdultBorderline deficientS, P2.2-3.0 ng/ml5.0-6.8 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Folate (Folic Acid)AdultDeficientS, P<2.2 ng/ml<5.0 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Folate (Folic Acid)AdultExcessS, P>17.5 ng/ml>39.7 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Folate (Folic Acid)AdultRC150-450 ng/ml/cells340-1020 nmol/liter/cellsKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Follicle-Stimulating HormoneAdultImmunoassayFemale Follicular PhaseS, PN3 to 20 U/L3 to 20 U/LHumanNoFSH
Follicle-Stimulating HormoneAdultImmunoassayFemale Ovulatory PhaseS, PN9 to 26 U/L9 to 26 U/LHumanNoFSH
Follicle-Stimulating HormoneAdultImmunoassayFemale Luteal PhaseS, PN1 to 12 U/L1 to 12 U/LHumanNoFSH
Follicle-Stimulating HormoneAdultImmunoassayFemale PostmenopausalS, PN18 to 153 U/L18 to 153 U/LHumanNoFSH
Follicle-Stimulating HormoneAdultImmunoassayMale S, PN1 to 12 U/L1 to 12 U/LHumanNoFSH
Follicle-Stimulating HormoneAdultMenstruating - Follicular phaseS, P3.0-20.0 mIU/ml3.0-20.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFSH
Follicle-Stimulating HormoneAdultMenstruating - Ovulatory phaseS, P9.0-26.0 mIU/ml9.0-26.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFSH
Follicle-Stimulating HormoneAdultMenstruating - Luteal phaseS, P1.0-12.0 mIU/ml1.0-12.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFSH
Follicle-Stimulating HormoneAdultPostmenopausalS, P18.0-153.0 mIU/ml18.0-153.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFSH
Follicle-Stimulating HormoneAdultMaleS, P1.0-12.0 mIU/ml1.0-12.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFSH
Free Fatty AcidsAdultSpectrophotometry SN0.17 to 0.95 mmol/L0.17 to 0.95 mmol/LHumanNo
FructosamineAdultS1.61-2.68 mmol/liter1.61-2.68 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Gamma-GlutamyltransferaseAdultSpectrophotometryFemale SN1 to 70 U/L1 to 70 U/LHumanNoGGT
Gamma-GlutamyltransferaseAdultSpectrophotometryMale SN1 to 94 U/L1 to 94 U/LHumanNoGGT
Gamma-GlutamyltransferaseAdultS1-94 U/liter1-94 U/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesGGT
GastrinAdultImmunoassay SN<100 ng/L<100 ng/LHumanNo
GastrinAdultS<100 pg/ml<100 ng/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
GentamicinAdultImmunoassayTroughSRx<2.1 ug/mL<4.4 umol/LHumanNoGent
GentamicinAdultImmunoassayPeakSRx4 to 8 ug/mL8.4 to 16.7 umol/LHumanNoGent
GentamicinAdultPeakRx8-10 microgram/ml16.7-20.9 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesGent
GentamicinAdultTroughRx<2-4 microgram/ml<4.2-8.4 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesGent
GentamicinAdultPeakTox>10 microgram/ml >21.0 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesGent
GentamicinAdultTroughTox>4 microgram/ml >8.4 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesGent
GlobulinAdultCalculation SN2.6 to 4.1 g/dL26 to 41 g/LHumanNo
GlucagonAdultImmunoassay PN20 to 100 pg/mL20 to 100 ng/LHumanNo
GlucagonAdultP20-100 pg/ml20-100 ng/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
GlucoseAdultEnzymatic AnalysisFastingPN70 to 110 mg/dL3.9 to 6.1 mmol/LHumanNoDextrose
GlucoseAdultEnzymatic Analysis UN<0.05 g/dL<0.003 mmol/LHumanNoDextrose
GlucoseAdultEnzymatic Analysis CSFN50 to 75 mg/dL2.8 to 4.2 mmol/LHumanNoDextrose
GlucoseAdultFasting - NormalP75-115 mg/dl4.2-6.4 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
GlucoseAdultFasting - Diabetes mellitusP>125 mg/dl>7.0 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
GlucoseAdult2 Hr postprandialP120 mg/dl<6.7 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Glucose, true (oxidase method)AdultU50-300 mg/24 hr0.3-1.7 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Glucose-6-phosphate dehydrogenase, erythrocyteAdultWBNo gross deficiencyNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Growth HormoneAdultRestingS0.5-17.0 ng/ml0.5-17.0 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Growth HormoneAdultImmunoassayRestingSN2 to 5 ng/mL2 to 5 ug/LHumanNo
Ham's test (acidified serum test)AdultWBNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
HaptoglobinAdultNephelometry SN16 to 199 mg/dL0.16 to 1.99 g/LHumanNo
HaptoglobinAdultS16-199 mg/dl0.16-1.99 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
HematocritAdultAutomated Cell CounterFemale WBN36 to 46 %0.36 to 0.46 HumanNo
HematocritAdultAutomated Cell CounterMale WBN37 to 49 %0.37 to 0.49 HumanNo
HematocritAdultMaleWB41.0-53.0%0.41-0.53Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
HematocritAdultFemaleWB36.0-46.0%0.36-0.46Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
HemoglobinAdultAutomated Cell CounterFemale WBN12 to 16 g/dL7.4 to 9.9 mmol/LHumanNoHgb
HemoglobinAdultAutomated Cell CounterMale WBN13 to 18 g/dL8.1 to 11.2 mmol/LHumanNoHgb
HemoglobinAdultPlasmaP1-5 mg/dl0.01-0.05 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesHgb
Hemoglobin ElectrophoresisAdultHemoglobin AWB95-98%0.95-0.98Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Hemoglobin ElectrophoresisAdultHemoglobin A2WB1.5-3.5%0.015-0.035Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Hemoglobin ElectrophoresisAdultHemoglobin FWB0-2.0%0-0.02Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Hemoglobin ElectrophoresisAdultHemoglobins other than A, A2, or FWBAbsentAbsentKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Hemoglobin - Whole bloodAdultMaleWB13.5-17.5 g/dl8.4-10.9 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Hemoglobin - Whole bloodAdultFemaleWB12.0-16.0 g/dl7.4-9.9 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Hemoglobin A1cAdultLiquid Chromatography WBN3.8 to 6.4 %0.038 to 0.064 HumanNoHgbA1c
Hemoglobin A1cAdultWB3.8-6.4%0.038-0.064 hemoglobin fractionKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesHgbA1c
HemoglobinsAdultSpectrophotometryA2WBN<3.5 %<0.04 HumanNo
HemoglobinsAdultSpectrophotometryFWBN<0.02 %<0.0002 HumanNo
Heparin-Induced Thrombocytopenia AntibodyAdultPNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
High Density Lipoprotein CholesterolAdultColorimetryMajor risk factor for CAD when decreasedSLow<35 mg/dL<0.91 mmol/LHumanNoHDL
High Density Lipoprotein CholesterolAdultColorimetryDesirableSD>35 mg/dL>0.91 mmol/LHumanNoHDL
HomocysteineAdultP4-12 micromoles/litre 4-12 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
HomocysteineAdultP0-12 micromoles/litre 0-12 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Human Chorionic GonadotropinAdultNon-Pregnant WomenS<5 mIU/ml<5 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYeshCG
Human Chorionic GonadotropinAdultImmunoassayNon-pregnant womenSN<5 mIU/mL<5 IU/LHumanNohCG
HydroxyprolineAdultU0-1.3 mg/24 hr0-10micromol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
IbuprofenAdultTox100-700 microgram/ml 485-3395 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
IbuprofenAdultRx10-50 microgram/ml49-243 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ImipramineAdultTox>500 ng/ml >1784 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ImipramineAdultLiquid ChromatographyImipramineSRx150 to 250 ug/L536 to 893 nmol/LHumanNo
ImipramineAdultLiquid ChromatographyDesimipramineSRx150 to 300 ug/L563 to 1125 nmol/LHumanNo
ImipramineAdultRx125-250 ng/ml446-893 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ImmunofixationAdultSNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ImmunoglobulinAdultIgAS60-309 mg/dl0.60-3.09 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgA
ImmunoglobulinAdultIgDS0-14 mg/dl0-140 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgD
ImmunoglobulinAdultIgES10-179 IU/ml24-430 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgE
ImmunoglobulinAdultIgGS614-1295 mg/dl6.14-12.95 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgG
ImmunoglobulinAdultIgG1S270-1740 mg/dl2.7-17.4 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgG1
ImmunoglobulinAdultIgG2S30-630 mg/dl0.3-6.3 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgG2
ImmunoglobulinAdultIgG3S13-320 mg/dl0.13-3.20 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgG3
ImmunoglobulinAdultIgG4S11-620 mg/dl0.11-6.20 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgG4
ImmunoglobulinAdultIgMS53-334 mg/dl0.53-3.34 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIgM
ImmunoglobulinAdultNephelometryIgASN60 to 309 mg/dL0.6 to 3.09 g/LHumanNoIgA
ImmunoglobulinAdultImmunoassayIgESN10 to 179 IU/mL24 to 430 ug/LHumanNoIgE
ImmunoglobulinAdultNephelometryIgGSN614 to 1295 mg/dL6.14 to 12.95 g/LHumanNoIgG
ImmunoglobulinAdultNephelometryIgMSN53 to 334 mg/dL0.53 to 3.34 g/LHumanNoIgM
InsulinAdultImmunoassay S, PN2 to 20 uU/mL14.35 to 143.5 pmol/LHumanNo
InsulinAdultS, P2-20 microunits/ml14.35-143.50 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
IronAdultColorimetry SN30 to 160 ug/dL5.4 to 28.7 umol/LHumanNoFe
IronAdultS50-150 microgram/deciliter9-27 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFe
IronAdultS30-160 microgram/deciliter5.4-28.7 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesFe
Iron-Binding CapacityAdultColorimetry SN228 to 428 ug/dL40.8 to 76.7 umol/LHumanNoIBC
Iron-Binding CapacityAdultS250-370 microgram/deciliter45-66 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIBC
Iron-Binding CapacityAdultS228-428 microgram/deciliter40.8-76.7 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesIBC
Iron-Binding Capacity (Saturation)AdultS20-45%0.2-0.45Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Joint-fluid crystalAdultJFNegativeNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Joint-fluid mucinAdultJFOnly type I mucin presentNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Ketone (Acetone)AdultNirtoprusside S, UNNegative Negative HumanNoAcetone
Ketone (Acetone)AdultS, UNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
LactateAdultP, venous5-15 mg/dl0.6-1.7 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Lactate DehydrogenaseAdultS100-190 U/liter1.7-3.2microkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLDH
Lactate DehydrogenaseAdultKinetic Method SN110 to 210 U/L1.83 to 3.5 ukat/LHumanNoLDH
Lactate Dehydrogenase IsoenzymesAdultElectrophoresisLD1SN16 to 29 %0.16 to 0.29 HumanNoLD iso
Lactate Dehydrogenase IsoenzymesAdultElectrophoresisLD2SN30 to 41 %0.3 to 0.41 HumanNoLD iso
Lactate Dehydrogenase IsoenzymesAdultElectrophoresisLD3SN15 to 24 %0.15 to 0.24 HumanNoLD iso
Lactate Dehydrogenase IsoenzymesAdultElectrophoresisLD4SN6 to 13 %0.06 to 0.13 HumanNoLD iso
Lactate Dehydrogenase IsoenzymesAdultElectrophoresisLD5SN5 to 29 %0.05 to 0.29 HumanNoLD iso
Lactate Dehydrogenase IsoenzymesAdultKinetic MethodTotal LDH (when isoenzymes determined)SN90 to 250 U/L1.5 to 4.17 ukat/LHumanNoLD iso
Lactate Dehydrogenase IsoenzymesAdultFraction 1 (of total)S14-26%0.14-0.25Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLD iso
Lactate Dehydrogenase IsoenzymesAdultFraction 2S29-39%0.29-0.39Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLD iso
Lactate Dehydrogenase IsoenzymesAdultFraction 3S20-26%0.20-0.25Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLD iso
Lactate Dehydrogenase IsoenzymesAdultFraction 4S8-16%0.08-0.16Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLD iso
Lactate Dehydrogenase IsoenzymesAdultFraction 5S6-16%0.06-0.16Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLD iso
Lactic AcidAdultEnzymatic Analysis PN0.5 to 2.2 mmol/L0.5 to 2.2 mmol/LHumanNo
Lead (adult)AdultS<10-20 microgram/deciliter<0.5-1 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
LE-cell testAdultWBNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Leukocyte Count AdultAutomated Cell Counter WBN4.5-11.0x10^3/mm34.5-11x10^9/literHumanNoWBC
Leukocyte Count AdultWB4.5-11.0x10^3/mm34.5-11x10^9/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesWBC
LidocaineAdultCentral nervous system or cardio- vascular depressionTox6-8 microgram/ml 26-34.2 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
LidocaineAdultSeizures, obtundation, decreased cardiac outputTox>8 microgram/ml >34.2 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
LidocaineAdultRx1.5-6.0 microgram/ml6.4-26 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
LipaseAdultKinetic Method SN3 to 19 U/dL0.5 to 3.17 ukat/LHumanNo
LipaseAdultS0-160 U/liter0-2.66microkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Lipids, triglycerideAdultSee TriglyceridesKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesSee Triglycerides
Lipoprotein (a)AdultNephelometry SN0 to 30 mg/dL0 to 300 mg/LHumanNoLpa
Lipoprotein (a)AdultS0-30 mg/dl0-300 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLpa
LithiumAdultIon-selective Electrode S, PTH0.5 to 1.5 mmol/L0.5 to 1.5 mmol/LHumanNoLi, Eskalith
LithiumAdultRx0.6-1.2 mEq/liter0.6-1.2 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLi, Eskalith
LithiumAdultTox>2 mEq/liter >2 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLi, Eskalith
Low-density Lipoprotein CholesterolAdultCalculationDesirableSD<130 mg/dL<3.36 mmol/LHumanNoLDL
Low-density Lipoprotein CholesterolAdultCalculationBorderline High RiskSBH130 to 159 mg/dL3.36 to 4.11 mmol/LHumanNoLDL
Low-density Lipoprotein CholesterolAdultCalculationHigh riskSH>160 mg/dL>4.13 mmol/LHumanNoLDL
Lutenizing HormoneAdultMenstruating - Follicular phaseS, P2.0-15.0 mIU/ml2.0-15.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLH
Lutenizing HormoneAdultMenstruating - Midcycle peakS, P22.0-105.0 mIU/ml22.0-105.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLH
Lutenizing HormoneAdultMenstruating - Luteal phaseS, P0.6-19.0 mIU/ml0.6-19.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLH
Lutenizing HormoneAdultPostmenopausalS, P16.0-64.0 mIU/ml16.0-64.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLH
Lutenizing HormoneAdultMaleS, P2.0-12.0 mIU/ml2.0-12.0 IU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesLH
Lutenizing HormoneAdultImmunoassayFemale Follicular PhaseSN2 to 15 U/L2 to 15 U/LHumanNoLH
Lutenizing HormoneAdultImmunoassayFemale Ovulatory PhaseSN22 to 105 U/L22 to 105 U/LHumanNoLH
Lutenizing HormoneAdultImmunoassayFemale Luteal PhaseSN0.6 to 19 U/L0.6 to 19 U/LHumanNoLH
Lutenizing HormoneAdultImmunoassayFemale PostmenopausalSN16 to 64 U/L16 to 64 U/LHumanNoLH
Lutenizing HormoneAdultImmunoassayMale SN2 to 12 U/L2 to 12 U/LHumanNoLH
MagnesiumAdultColorimetry SN1.4 to 2 meq/L0.7 to 1 mmol/LHumanNoMg
MagnesiumAdultS1.8-3.0 mg/dl0.8-1.2 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesMg
Mean Corpuscular Hemoglobin ConcentrationAdultWB31.0-37.0 g/dl310-370 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesMCHC
Mean Corpuscular Hemoglobin ConcentrationAdultAutomated Cell Counter WBN31 to 37 g/dL310 to 370 g/LHumanNoMCHC
Mean Corpuscular HemoglobinAdultAutomated Cell Counter WBN25 to 35 pg/cell25 to 35 pg/cellHumanNoMCH
Mean Corpuscular HemoglobinAdultWB26.0-34.0 pg/cell26.0-34.0 pg/cellKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesMCH
Mean Corpusuclar VolumeAdultWB80-100microm380-100 flKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesMCV
Mean Corpusuclar VolumeAdultAutomated Cell CounterFemale WBN78 to 102 microm^378 to 102 flHumanNoMCV
Mean Corpusuclar VolumeAdultAutomated Cell CounterMale WBN78 to 100 microm^378 to 100 flHumanNoMCV
Mean Platelet VolumeAdultAutomated Cell Counter WBN6.4 to 11 microm^36.4 to 11 flHumanNoMPV
MercuryAdultWB0.6-59 microgram/liter3.0-294 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MercuryAdultU, 24 hr<20 microgram/liter<99.8 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MetanephrineAdultP<0.5 nmol/liter<0.5 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MetanephrineAdultU0.05-1.20 microgram/mg creatinine0.03-0.69 mmol/mol creatinineKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MetanephrinesAdultChromatographyMetanephrineUN45 to 290 ug/24 hrs245 to 1583 nmol/24 hrsHumanNo
MetanephrinesAdultChromatographyNormetanephrineUN82 to 500 ug/24 hrs448 to 2730 nmol/24 hrsHumanNo
MetanephrinesAdultChromatographyTotalUN120 to 700 ug/24 hrs655 to 3821 nmol/24 hrsHumanNo
MethadoneAdultLiquid Chromatography SRx50 to 800 ug/mL0.16 to 2.58 umol/LHumanNo
MethadoneAdultRx100-400 ng/ml0.32-1.29 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MethadoneAdultTox>2000 ng/ml >6.46 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MethemoglobinAdultCo-oximetry PN0.4 to 1.5 %0.004 to 0.015 HumanNo
MethemoglobinAdultWBLess than or Equal to 1% of total hemoglobinKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MethotrexateAdultImmunoassay24 hrs after high doseSRx<10 umol/L<10 umol/LHumanNo
MethotrexateAdultImmunoassay48 hrs after high doseSRx<1.0 umol/L<1.0 umol/LHumanNo
MethotrexateAdultImmunoassay72 hrs after high doseSRx<0.4 umol/L<0.4 umol/LHumanNo
MethotrexateAdult1-2 wk after low doseTox>9.1 ng/ml >20 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MethotrexateAdult48 hr after high doseTox>227 ng/ml >0.5 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MethotrexateAdultRxVariableVariableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MicroalbuminAdult24-hrU<20 mg/liter or <31 mg/24 hr<0.02 g/liter or <0.031 g/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MicroalbuminAdultNephelometryRandom UrineUN<20 ug/mL<20 mg/LHumanNo
MicroalbuminAdultSpot, morningU<0.03 mg albumin/mg creatinine<0.03 g albumin/g creatinineKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MicroalbuminAdultU0-2.0 mg/dl0-0.02 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MorphineAdultRx10-80 ng/ml35-280 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MorphineAdultTox>200 ng/ml >700 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MyoglobinAdultMaleS19-92 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
MyoglobinAdultFemaleS12-76 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
NordiazepamAdultLiquid Chromatography SRx100 to 800 ug/L0.37 to 2.95 umol/LHumanNo
NorepinephrineAdultU15-80 microgram/24 hr89-473 nmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
NorepinephrineAdultSupine (30 min)P<110-410 pg/ml650-2423 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
NorepinephrineAdultSittingP120-680 pg/ml709-4019 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
NorepinephrineAdultStanding (30 min)P125-700 pg/ml739-4137 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
NortriptylineAdultRx50-170 ng/ml190-646 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
NortriptylineAdultTox>500 ng/ml >1.9 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
OsmolalityAdultFreezing-point depression S, PN280 to 296 mOsm/kg of water280 to 296 mmol/kg of waterHumanNo
OsmolalityAdultP285-295 mOsm/kg serum water 300-900 mOsm/kg285-295 mmol/kg serum water 300-900 mmol/kgKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
OsmolalityAdultU285-295 mOsm/kg serum water 300-900 mOsm/kg285-295 mmol/kg serum water 300-900 mmol/kgKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Osmotic Fragility of ErythrocytesAdultWBNo increased hemoly- sis as compared with normal controlNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
OxalateAdultU2-60 mg/24 hr228-684 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
OxygenAdultContent, sea levelWB, arterial17-21 vol%Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
OxygenAdultContent, sea level WB, venous (arm)10-16 vol%Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
OxygenAdultSaturation, sea levelWB, arterial97%0.97 mol/molKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
OxygenAdultSaturation, sea level WB, venous (arm)60-85%0.60-0.85 mol/molKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
OxygenAdultPartial pressure (PO2)WB80-100 mm Hg11-13 kPaKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Oxygen (Partial Pressure)AdultOxygen electrodeArterialWBN80 to 100 mm Hg10.7 to 13.3 kPaHumanNoPaO2
Parathyroid hormoneAdultS10-60 pg/ml10-60 ng/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Parathyroid HormoneAdultImmunoassay SN10 to 60 pg/mL10 to 60 ng/LHumanNoPTH
Parathyroid HormoneAdultImmunoassay Related ProteinPN<1.3 pmol/L<1.3 pmol/LHumanNo
Parathyroid HormoneAdultRelated PeptideS<1.3 pmol/liter<1.3 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ParoxetineAdultLiquid Chromatography SRx20 to 190 ug/L61 to 576 nmol/LHumanNo
Partial-thromboplastin time, activatedAdultAutomated Clotting Assay PN22.1 to 34.1 sec22.1 to 34.1 secHumanNoaPTT, PTT
Partial-thromboplastin time, activatedAdultP22.1-35.1 sec22.1-35.1 secKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
pHAdultpH electrodeArterialWBN7.35 to 7.45 pH units7.35 to 7.45 pH unitsHumanNo
pHAdultWB7.38-7.44Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
pHAdultU5.0-9.05.0-9.0Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
PhenobarbitalAdultRx10-40 microgram/ml43-170 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPhenobarb, Luminal
PhenobarbitalAdultSlowness, ataxia, nystagmusTox35-80 microgram/ml 151-345 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPhenobarb, Luminal
PhenobarbitalAdultComa with reflexesTox65-117 microgram/ml 280-504 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPhenobarb, Luminal
PhenobarbitalAdultComa without reflexesTox>100 microgram/ml >430 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPhenobarb, Luminal
PhenobarbitalAdultImmunoassay SRx15 to 50 ug/mL65 to 216 umol/LHumanNoPhenobarb, Luminal
PhenytoinAdultRx10-20 microgram/ml40-79 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPheny, Dilantin
PhenytoinAdultTox>20 microgram/ml >79 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPheny, Dilantin
PhenytoinAdultImmunoassay SRx5 to 20 ug/mL20 to 79 umol/LHumanNoPheny, Dilantin
Phosphate (Phosphorus)AdultAcidS0-5.5 U/liter0.90 nkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Phosphate (Phosphorus)AdultAlkalineS30-120 U/liter0.5-2.0 nkat/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Phosphate (Phosphorus)AdultU400-1300 mg/24 hr (varies with intake)12.9-42.0 mmol/24 hr (varies with intake)Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Phosphorus (Inorganic)AdultSpectrophotometry SN2.6 to 4.5 mg/dL0.84 to 1.45 mmol/LHumanNoPhos
Phosphorus (Inorganic)AdultSpectrophotometryAverage/dayUN1 g/day32 mmol/dayHumanNoPhos
Phosphorus (Inorganic)AdultS3-4.5 mg/dl1.0-1.4 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPhos
PlasminogenAdultImmunoassayAntigenPN8.4 to 14 mg/dL84 to 140 mg/LHumanNo
PlasminogenAdultChromogenic AssayFunctionalPN80 to 130 %0.8 to 1.3 mg/LHumanNo
PlasminogenAdultFunctionalP80-130%0.80-1.30Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
PlasminogenAdultAntigenicP8.4-14.0 mg/dl84-140 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Plasminogen Activator Inhibitor 1AdultP4-43 ng/ml4-43 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Platelet AggregationAdultPRP>65% aggregation in response to adenosine diphosphate, epinephrine, collagen, ristocetin, and arachidonic acidNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Platelet CountAdultWB150-350x10^3/mm^3150-350x10^9/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPlat
Platelet CountAdultAutomated Cell Counter WBN150 to 350x10^3/mm3150 to 350x10^9/LHumanNoPlat
PorphobilinogenAdultUNoneNoneKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
PotassiumAdultU25-100 mEq/24 hr (varies with intake)25-100 mmol/24 hr (varies with intake)Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesK
PotassiumAdultIon-selective Electrode PN3.4 to 4.8 mmol/L3.4 to 4.8 mmol/LHumanNoK
PotassiumAdultIon-selective Electrode SN3.5 to 5 mmol/L3.5 to 5 mmol/LHumanNoK
PotassiumAdultIon-selective Electrode UNdepends on mmol/Ldepends on mmol/LHumanNoK
PotassiumAdultS3.5-5.0 mEq/liter3.5-5.0 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesK
PrealbuminAdultNephelometry SN19.5 to 35.8 mg/dL195 to 358 mg/LHumanNoTransthyretin
PrealbuminAdultS19.5-35.8 mg/dl195-358 mg/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
PregnanetriolAdultUAge- and sex-dependentAge- and sex-dependentKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Prekallikrein AssayAdultChromogenic Assay PN60 to 140 %0.6 to 1.4 HumanNo
Prekallikrein AssayAdultP60-140%0.60-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Prekallikrein ScreenAdultPDeficiency not detectedNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProcainamideAdultRx4-10 microgram/ml17-42 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProcainamideAdultTox>10-12 microgram/ml >42-51 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProgesteroneAdultImmunoassayFemale Follicular phaseS, PN<1 ng/mL<3.18 nmol/LHumanNo
ProgesteroneAdultImmunoassayFemale Mid-luteal phaseS, PN3 to 20 ng/mL9.54 to 63.6 nmol/LHumanNo
ProgesteroneAdultImmunoassayMale S, PN<1 ng/mL<3.18 nmol/LHumanNo
ProgesteroneAdultMenstruating - FollicularS, P<0.2 ng/ml<0.6 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProgesteroneAdultMenstruating - MidlutealS, P3-20 ng/ml9.54-63.6 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProgesteroneAdultMaleS, P<0.2-1.4 ng/ml<0.60-4.45 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProlactinAdultImmunoassayFemale PremenopausalSN0 to 20 ng/mL0 to 20 ug/LHumanNo
ProlactinAdultImmunoassayFemale PostmenopausalSN0 to 15 ng/mL0 to 15 ug/LHumanNo
ProlactinAdultImmunoassayMale SN0 to 15 ng/mL0 to 15 ug/LHumanNo
ProlactinAdultFemaleS0-20 ng/ml0-20 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProlactinAdultMaleS0-15 ng/ml0-15 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Prostate-Specific AntigenAdultImmunoassayFemale SN<0.5 ng/mL<0.5 ug/LHumanNoPSA
Prostate-Specific AntigenAdultImmunoassayMale <40y SN0 to 2 ng/mL0 to 2 ug/LHumanNoPSA
Prostate-Specific AntigenAdultImmunoassayMale >40y SN0 to 4 ng/mL0 to 4 ug/LHumanNoPSA
Prostate-Specific AntigenAdultFemaleS<0.5 ng/ml<0.5 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPSA
Prostate-Specific AntigenAdultMale - Less than or Equal to 40 yr0-2.0 ng/ml0-2.0 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPSA
Prostate-Specific AntigenAdultMale - >40 yr0-4.0 ng/ml0-4.0 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPSA
Prostate-Specific AntigenAdultProstate-specific antigen (PSA), free (men 45-75 yr with PSA values between 4 and 20 ng/ml)>25% associated with benign prostatic hyperplasia>0.25 associated with benign prostatic hyperplasiaKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPSA
Prostate-Specific Antigen (free/total)AdultMale 45-75y PSA: 4 - 20 nSN>25 BPH %>.25 BPH HumanNoF/T PSA, F/T, F/T Ratio
ProteinAdultColorimetryTotalSN6 to 8 g/dL60 to 80 g/LHumanNo
ProteinAdultTurbidometry UN<165 mg/day<0.165 g/dayHumanNo
ProteinAdultTurbidometryLumbarCSFN15 to 45 mg/dL0.15 to 0.45 g/LHumanNo
ProteinAdultTurbidometryCisternalCSFN15 to 25 mg/dL0.15 to 0.25 g/LHumanNo
ProteinAdultTurbidometryVentricularCSFN5 to 15 mg/dL0.05 to 0.15 g/LHumanNo
ProteinAdultAlpha10.2-0.4 g/dl (4.2-7.2%)2-4 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProteinAdultAlpha20.5-0.9 g/dl (6.8-12%)5-9 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProteinAdultBeta0.6-1.1 g/dl (9.3-15%)6-11 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProteinAdultU<150 mg/24 hr<0.15 g/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProteinAdultFractionsSKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProteinAdultTotalS5.5-8.0 g/dl55-80 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProteinAdultAlbumin3.5-5.5 g/dl (50-60%)35-55 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProteinAdultGamma0.7-1.7 g/dl (13-23%)7-17 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ProteinAdultGlobulin2.0-3.5 g/dl (40-50%)20-35 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Protein CAdultAutomated Clotting AssayFunctionalPN70 to 140 %0.7 to 1.4 HumanNo
Protein CAdultImmunoassayTotal antigenPN70 to 140 %0.7 to 1.4 HumanNo
Protein CAdultTotal antigenP70-140%0.70-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Protein CAdultFunctionalP70-140%0.70-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Protein SAdultAutomated Clotting AssayFunctionalPN70 to 140 %0.7 to 1.4 HumanNo
Protein SAdultImmunoassayTotal antigenPN70 to 140 %0.7 to 1.4 HumanNo
Protein SAdultImmunoassayFree antigenPN70 to 140 %0.7 to 1.4 HumanNo
Protein SAdultTotal antigenP70-140%0.70-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Protein SAdultFunctionalP70-140%0.70-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Protein SAdultFree antigenP70-140%0.70-1.40Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Prothrombin timeAdultP11.1-13.1 sec11.1-13.1 secKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesPT
Prothrombin timeAdultAutomated Clotting Assay PN11.2 to 13.2 sec11.2 to 13.2 secHumanNoPT
Prothrombin-gene mutation G20210AAdultWBNot presentNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Protoporphyrin (free erythrocyte)AdultWB16-36 microgram/deciliter red cells0.28-0.64 micromoles/litre red cellsKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
PyruvateAdultP, venous0.5-1.5 mg/dl60-170 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
QuinidineAdultRx2-5 microgram/ml6-15 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesQuinidex, Quinora
QuinidineAdultTox>6 microgram/ml >18 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesQuinidex, Quinora
QuinidineAdultLiquid Chromatography SRx1.2 to 4 ug/mL3.7 to 12.3 umol/LHumanNoQuinidex, Quinora
Red Cell Distribution WidthAdultWB11.5-14.5%0.115-0.145Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Red Cell Distribution WidthAdultAutomated Cell Counter WBN11.5 to 14.5 %0.115 to 0.145 HumanNoRDW
ReninAdultImmunoassaySupine - normal sodium dietPN0.3 to 3 ng/mL/hr0.08 to 0.83 ng/(L-sec)HumanNoPRA
ReninAdultImmunoassayUpright - normal sodium dietPN1 to 9 ng/mL/hr0.28 to 2.5 ng/(L-sec)HumanNoPRA
Reptilase timeAdultAutomated Clotting Assay PN16 to 24 sec16 to 24 secHumanNo
Reptilase timeAdultP16-24 sec16-24 secKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Reticulocyte CountAdultWB0.5-2.5% red cells0.005-0.025 red cellsKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesRetic
Reticulocyte CountAdultFlow cytometry WBN0.5 to 2.5 % red cells0.005 to 0.025 red cellsHumanNoRetic
Reticulocyte hemoglobin contentAdultWB>26 pg/cell>26 pg/cellKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Rheumatoid factorAdultS, JF<30.0 IU/ml<30 kIU/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesRF
Rheumatoid factorAdultNephelometry S, JFN<30 IU/mL<30 kIU/LHumanNoRF
Ristocetin CofactorAdultPlatelet AggregometryBlood Group OPN75 % mean of normal0.75 mean of normalHumanNofuctional von Willebrand factor
Ristocetin CofactorAdultPlatelet AggregometryBlood Group APN105 % mean of normal1.05 mean of normalHumanNofuctional von Willebrand factor
Ristocetin CofactorAdultPlatelet AggregometryBlood Group BPN115 % mean of normal1.15 mean of normalHumanNofuctional von Willebrand factor
Ristocetin CofactorAdultPlatelet AggregometryBlood Group ABPN125 % mean of normal1.25 mean of normalHumanNofuctional von Willebrand factor
Ristocetin CofactorAdultBlood group OP75% mean of normal0.75 mean of normalKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesfuctional von Willebrand factor
Ristocetin CofactorAdultBlood group AP105% mean of normal1.05 mean of normalKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesfuctional von Willebrand factor
Ristocetin CofactorAdultBlood group BP115% mean of normal1.15 mean of normalKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesfuctional von Willebrand factor
Ristocetin CofactorAdultBlood group ABP125% mean of normal1.25 mean of normalKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesfuctional von Willebrand factor
SalicylateAdultToxic rangeSTox>500 mg/L>3.62 mmol/LHumanNo
SalicylatesAdultRx150-300 microgram/ml1086-2172 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SalicylatesAdultTox>300 microgram/ml >2172 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Schilling Test AdultOrally administered vitamin B12 excreted in UrineU7-40%Not applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultHyaline castsU0-5/low-power field0-5/low-power fieldKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultRed cellsU0-2/high-power field0-2/high-power fieldKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultWhite cellsU0-2/high-power field0-2/high-power fieldKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultBacteriaUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultBladder cellsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultBroad castsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultCrystalsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultEpithelial-cell castsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultGranular castsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultRed-cell castsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultSquamous cellsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultTubular cellsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultWaxy castsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SedimentAdultWhite-cell castsUNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SerotoninAdultHPLC WBN55 to 260 ng/mL0.31 to 1.48 umol/LHumanNo
SerotoninAdultWB50-200 ng/ml0.28-1.14 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SerotoninAdultPlatelets125-500 ng/109 platelets0.7-2.8 amol/plateletKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SertralineAdultLiquid Chromatography SN40 to 160 ug/L130 to 522 nmol/LHumanNo
Serum Protein ElectrophoresisAdultSNormal patternNot applicableKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Sex Hormone Binding GlobulinAdultMaleS13-71 nmol/liter13-71 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Sex Hormone Binding GlobulinAdultFemaleS18-114 nmol/liter18-114 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Sex Hormone Binding GlobulinAdultImmunoassayFemale SN8 to 85 mmol/L8 to 85 mmol/LHumanNo
Sex Hormone Binding GlobulinAdultImmunoassayMale SN6 to 44 mmol/L6 to 44 mmol/LHumanNo
Sickle-cell testAdultWBNegativeNegativeKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SodiumAdultNaU100-260 mEq/24 hr (varies with intake)100-260 mmol/24 hr (varies with intake)Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesNa
SodiumAdultIon-selective Electrode PN135 to 145 mmol/L135 to 145 mmol/LHumanNoNa
SodiumAdultIon-selective Electrode UNdepends on mmol/Ldepends on mmol/LHumanNoNa
SodiumAdultS136-145 mEq/liter136-145 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesNa
Somatomedin CAdult Insulin-like Growth Gactor I [IGF-I] / 16-24 yrS182-780 ng/ml182-780 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesInsulin-like growth factor 1
Somatomedin CAdult Insulin-like Growth Gactor I [IGF-I] / 25-39 yrS114-492 ng/ml114-492 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesInsulin-like growth factor 1
Somatomedin CAdult Insulin-like Growth Gactor I [IGF-I] / 40-54 yrS90-360 ng/ml90-360 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesInsulin-like growth factor 1
Somatomedin CAdult Insulin-like Growth Gactor I [IGF-I] / >54 yrS71-290 ng/ml71-290 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesInsulin-like growth factor 1
Somatomedin CAdultImmunoassay16 - 24 yearsSN182 to 780 ng/mL182 to 780 ug/LHumanNoInsulin-like growth factor 1
Somatomedin CAdultImmunoassay25 - 39 yearsSN114 to 492 ng/mL114 to 492 ug/LHumanNoInsulin-like growth factor 1
Somatomedin CAdultImmunoassay40 - 54 yearsSN90 to 360 ng/mL90 to 360 ug/LHumanNoInsulin-like growth factor 1
Somatomedin CAdultImmunoassay> 54 yearsSN71 to 290 ng/mL71 to 290 ug/LHumanNoInsulin-like growth factor 1
SomatostatinAdultP<25 pg/ml<25 ng/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Specific gravityAdultU1.001-1.0351.001-1.035Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Sucrose HemolysisAdultSpectrophotometry WBN<10 %<0.1 HumanNo
Sucrose HemolysisAdultWB<10%<0.1Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
SulfamethoxazoleAdultLiquid Chromatography SRx5 to 15 mg/dL19.8 to 59.2 nmol/LHumanNo
TestosteroneAdultTotal, morning - FemaleS6-86 ng/dl0.21-2.98 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
TestosteroneAdultTotal, morning - MaleS270-1070 ng/dl9.36-37.10 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
TestosteroneAdultUnbound, morning - FemaleS0.2-3.1 pg/ml6.9-107.5 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
TestosteroneAdultUnbound, morning - MaleS12.0-40.0 pg/ml416-1387 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Testosterone (Total)AdultImmunoassayFemale Morning sampleSN6 to 86 ng/dL0.21 to 2.98 nmol/LHumanNo
Testosterone (Total)AdultImmunoassayMale Morning sampleSN270 to 1070 ng/dL9.36 to 37.1 nmol/LHumanNo
Testosterone, unboundAdultImmunoassayMale 20-40y morning sampleSN15 to 40 pg/mL520 to 1387 pmol/LHumanNo
Testosterone, unboundAdultImmunoassayMale 41-60y morning sampleSN13 to 35 pg/mL451 to 1213 pmol/LHumanNo
Testosterone, unboundAdultImmunoassayFemale 20-40y morning sampleSN0.6 to 3.1 pg/mL20.8 to 107.5 pmol/LHumanNo
Testosterone, unboundAdultImmunoassayFemale 41-60y morning sampleSN0.4 to 2.5 pg/mL13.9 to 86.7 pmol/LHumanNo
TheophyllineAdultRx8-20 microgram/ml44-111 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesTheo, aminophylline
TheophyllineAdultTox>20 microgram/ml >110 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesTheo, aminophylline
TheophyllineAdultImmunoassay SRx10 to 20 ug/mL56 to 111 umol/LHumanNoTheo, aminophylline
TheophyllineAdultImmunoassayApnea controlSRx5 to 15 ug/mL28 to 83 umol/LHumanNoTheo, aminophylline
ThiocyanateAdultSpectrophotometryToxic rangeSTox>100 mg/L>1720 umol/LHumanNo
ThiocyanateAdultAfter nitroprusside infusionRx6-29 microgram/ml103-499 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ThiocyanateAdultNonsmokerRx1-4 microgram/ml17-69 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ThiocyanateAdultSmokerRx3-12 microgram/ml52-206 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ThiocyanateAdultAfter nitroprusside infusionTox>120 microgram/ml >2064 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Thrombin timeAdultAutomated Clotting Assay PN16 to 24 sec16 to 24 secHumanNo
Thrombin timeAdultP16-24 sec16-24 secKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ThyroglobulinAdultImmunoassay SN0 to 60 ng/mL0 to 60 ug/LHumanNo
ThyroglobulinAdultS0-60 ng/ml0-60 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Thyroid Hormone-Binding IndexAdultImmunoassay SN0.77 to 1.23 0.77 to 1.23 HumanNoTHBI, T3RU
Thyroid-Binding GlobulinAdultS16-24 microgram/ml206-309 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Thyroid-Stimulating HormoneAdultS0.5-4.7 microunits/ml0.5-4.7 microunits/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesTSH
Thyroid-Stimulating HormoneAdultImmunoassay SN0.5 to 5 uU/mL0.5 to 5 uU/mLHumanNoTSH
ThyroxineAdultTotal (T4)S4.5-10.9 microgram/deciliter58-140 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ThyroxineAdultFree (fT4)S0.8-2.7 ng/dl10.3-35.0 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Thyroxine (Total)AdultImmunoassay SN4.5 to 10.9 ug/dL58 to 140 nmol/LHumanNoT4
TobramycinAdultPeakRx8-10 microgram/ml17-21 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesTobra, Nebcin
TobramycinAdultTroughRx<4 microgram/ml<9 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesTobra, Nebcin
TobramycinAdultPeakTox>10 microgram/ml >21 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesTobra, Nebcin
TobramycinAdultTroughTox>4 microgram/ml >9 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesTobra, Nebcin
TobramycinAdultImmunoassayTroughSRx<2.0 ug/mL<4.3 umol/LHumanNoTobra, Nebcin
TobramycinAdultImmunoassayPeakSRx4 to 8 ug/mL8.6 to 17.1 umol/LHumanNoTobra, Nebcin
TransferrinAdultNephelometry SN191 to 365 mg/dL1.91 to 3.65 g/LHumanNo
TransferrinAdultS230-390 mg/dl2.3-3.9 g/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Transferrin receptorAdultS, P9.6-29.6 nmol/liter9.6-29.6 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
TrazodoneAdultLiquid Chromatography SRx800 to 1600 ug/L2152 to 4304 nmol/LHumanNo
TriglyceridesAdultS<160 mg/dl<1.8 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
TriglyceridesAdultSpectrophotometryFastingSN40 to 150 mg/dL0.45 to 1.69 mmol/LHumanNoTrig
TriiodothyronineAdultTotal (T3)S60-181 ng/dl0.92-2.78 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
TriiodothyronineAdultFree (fT3)S1.4-4.4 pg/ml0.22-6.78 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Triiodothyronine (Total)AdultImmunoassay SN60 to 181 ng/dL0.92 to 2.78 nmol/LHumanNoT3
TroponinAdultIS0-0.4 ng/ml0-0.4 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
TroponinAdultTS0-0.1 ng/ml0-0.1 microgram/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Troponin IAdultImmunoassayNormalSN<0.6 ng/mL<0.6 ug/LHumanNo
Troponin IAdultImmunoassayAcute Myocardial InfarctSH>1.5 ng/mL>1.5 ug/LHumanNo
Urea NitrogenAdultConductivity PN8 to 25 mg/dL2.9 to 8.9 mmol/LHumanNoBUN
Urea NitrogenAdultConductivity UN6 to 17 g/day6 to 17 g/dayHumanNoBUN
Urea NitrogenAdultS10-20 mg/dl3.6-7.1 mmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesBUN
Urea NitrogenAdultU6-17 g/24 hr214-607 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesBUN
Uric AcidAdultWith Normal DietU250-800 mg/24 hr1.49-4.76 mmol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Uric AcidAdultColorimetryFemale SN2.3 to 6.6 mg/dL137 to 393 umol/LHumanNo
Uric AcidAdultColorimetryMale SN3.6 to 8.5 mg/dL214 to 506 umol/LHumanNo
Uric AcidAdultMaleS2.5-8.0 mg/dl150-480 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Uric AcidAdultFemaleS1.5-6.0 mg/dl90-360 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
UrobilinogenAdultU1-3.5 mg/24 hr1.7-5.9micromol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Valproic AcidAdultImmunoassay SRx50 to 100 ug/mL347 to 693 umol/LHumanNoDepakane, Depakote
Valproic AcidAdultTox>150 microgram/ml >1040 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDepakane, Depakote
Valproic AcidAdultRx50-150 microgram/ml347-1040 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesDepakane, Depakote
VancomycinAdultImmunoassayTroughSRx<10.1 ug/mL<7.0 umol/LHumanNo
VancomycinAdultImmunoassayPeak (2 hrs after infusion)SRx18 to 26 ug/mL12 to 18 umol/LHumanNo
VancomycinAdultPeakRx18-26 microgram/ml12-18 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
VancomycinAdultTroughRx5-10 microgram/ml3-7 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
VancomycinAdultPeakTox>80-100 microgram/ml >55-69 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vanillylmandelic Acid (VMA)AdultU0.15-1.20 mg/24 hr7.6-37.9micromol/24 hrKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vasoactive Intestinal PolypeptideAdultImmunoassay PN<75 pg/mL<75 ng/LHumanNoVIP
Vasoactive Intestinal PolypeptideAdultP<75 pg/ml<75 ng/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesVIP
ViscosityAdultP1.7-2.11.7-2.1Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
ViscosityAdultS1.4-1.81.4-1.8Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin AAdultS20-100 microgram/deciliter0.7-3.5 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin B1 (thiamine)AdultS0-2 microgram/deciliter0-75 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin B12AdultImmunoassayNormalS, PN>250 pg/mL>184 pmol/LHumanNoB12
Vitamin B12AdultImmunoassayBorderlineS, PBDef125 to 250 pg/mL92 to 184 pmol/LHumanNoB12
Vitamin B12AdultImmunoassayDeficientS, PDef<125 pg/mL<92 pmol/LHumanNoB12
Vitamin B12AdultNormalS, P>250 pg/ml>185 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesB12
Vitamin B12AdultBorderlineS, P125-250 pg/ml92-185 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesB12
Vitamin B12AdultDeficientS, P<125 pg/ml<92 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesB12
Vitamin B2 (riboflavin)AdultS4-24 microgram/deciliter106-638 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin B6AdultP5-30 ng/ml20-121 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin C (ascorbic acid)AdultS0.4-1.0 mg/dl23-57 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin D3 (1,25-dihydroxyvitamin D)AdultImmunoassay SN18 to 62 pg/mL43.2 to 148.8 pmol/LHumanNo
Vitamin D3 (1,25-dihydroxyvitamin D)AdultS25-45 pg/ml60-108 pmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin D3 (25-hydroxyvitamin D)AdultImmunoassay SN8 to 42 ng/mL20 to 105 nmol/LHumanNo
Vitamin D3 (25-hydroxyvitamin D)AdultP10-68 ng/ml24.9-169.5 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin EAdultS5-18 microgram/ml12-42 micromoles/litre Kratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
Vitamin KAdultS0.13-1.19 ng/ml0.29-2.64 nmol/literKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
von Willebrand Factor AntigenAdultBlood group OP75% mean of normal0.75 mean of normalKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesvWF antigen, factor VIII:R antigen
von Willebrand Factor AntigenAdultBlood group AP105% mean of normal1.05 mean of normalKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesvWF antigen, factor VIII:R antigen
von Willebrand Factor AntigenAdultBlood group BP115% mean of normal1.15 mean of normalKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesvWF antigen, factor VIII:R antigen
von Willebrand Factor AntigenAdultBlood group ABP125% mean of normal1.25 mean of normalKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYesvWF antigen, factor VIII:R antigen
von Willebrand Factor AntigenAdultImmunoassayBlood Group OPN75 % mean of normal0.75 mean of normalHumanNovWF antigen, factor VIII:R antigen
von Willebrand Factor AntigenAdultImmunoassayBlood Group APN105 % mean of normal1.05 mean of normalHumanNovWF antigen, factor VIII:R antigen
von Willebrand Factor AntigenAdultImmunoassayBlood Group BPN115 % mean of normal1.15 mean of normalHumanNovWF antigen, factor VIII:R antigen
von Willebrand Factor AntigenAdultImmunoassayBlood Group ABPN125 % mean of normal1.25 mean of normalHumanNovWF antigen, factor VIII:R antigen
von Willebrand Factor MultimersAdultPNormal distributionNormal distributionKratz A; Lewandrowski KB - Case records of the Massachusetts General Hospital. Normal Reference Laboratory Values. N Engl J Med 2004; 351:1548-63.HumanYes
XyloseAdultColorimetric SNnone detec none detec HumanNo
XyloseAdultColorimetric UN4 to 9 g/5 hours4 to 9 g/5 hoursHumanNo
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