Search Units
Acetaminophen
Specimen: Serum, Plasma
Conversion Factor: 6.614
US Range:10-30 µg/mL
SI Range: 66-200 µmol/L
Acetoacetate
Specimen: Serum, Plasma
Conversion Factor: 97.95
US Range:<1 mg/dL
SI Range: <100 µmol/L
Acetone
Specimen: Serum, Plasma
Conversion Factor: 0.172
US Range:<1.0 mg/dL
SI Range: <0.17 mmol/L
Acid phosphatase
Specimen: Serum
Conversion Factor: 16.667
US Range:<5.5 U/L
SI Range: <90 nkat/L
Activated partial thromboplastin time (APTT)
Specimen: Whole blood
Conversion Factor: 1
US Range:25-40 s
SI Range: 25-40 s
Adenosine deaminase
Specimen: Serum
Conversion Factor: 16.667
US Range:11.5-25.0 U/L
SI Range: 190-420 nkat/L
Adrenocorticotropic hormone (ACTH)
Specimen: Plasma
Conversion Factor: 0.22
US Range:<120 pg/mL
SI Range: <26 pmol/L
Alanine
Specimen: Plasma
Conversion Factor: 112.2
US Range:1.87-5.89 mg/dL
SI Range: 210-661 µmol/L
Alanine aminotransferase (ALT)
Specimen: Serum
Conversion Factor: 0.0167
US Range:10-40 U/L
SI Range: 0.17-0.68 µkat/L
Albumin
Specimen: Serum
Conversion Factor: 10
US Range:3.5-5.0 g/dL
SI Range: 35-50 g/L
Alcohol dehydrogenase
Specimen: Serum
Conversion Factor: 16.667
US Range:<2.8 U/L
SI Range: <47 nkat/L
Aldolase
Specimen: Serum
Conversion Factor: 0.0167
US Range:1.0-7.5 U/L
SI Range: 0.02-0.13 µkat/L
Aldosterone
Specimen: Serum, Plasma
Conversion Factor: 27.74
US Range:2-9 ng/dL
SI Range: 55-250 pmol/L
Alkaline phosphatase
Specimen: Serum
Conversion Factor: 0.0167
US Range:30-120 U/L
SI Range: 0.5-2.0 µkat/L
Alprazolam
Specimen: Serum, Plasma
Conversion Factor: 3.24
US Range:10-50 ng/mL
SI Range: 32-162 nmol/L
Amikacin
Specimen: Serum, Plasma
Conversion Factor: 1.708
US Range:20-30 µg/mL
SI Range: 34-52 µmol/L
α-Aminobutyric acid
Specimen: Plasma
Conversion Factor: 96.97
US Range:0.08-0.36 mg/dL
SI Range: 8-35 µmol/L
δ-Aminolevulinic acid
Specimen: Serum
Conversion Factor: 0.0763
US Range:15-23 µg/dL
SI Range: 1.1-8.0 µmol/L
Amiodarone
Specimen: Serum, Plasma
Conversion Factor: 1.55
US Range:0.5-2.5 µg/mL
SI Range: 0.8-3.9 µmol/L
Amitriptyline
Specimen: Plasma
Conversion Factor: 3.605
US Range:120-250 ng/mL
SI Range: 433-903 nmol/L
Ammonia (as nitrogen)
Specimen: Serum, Plasma
Conversion Factor: 0.714
US Range:15-45 µg/dL
SI Range: 11-32 µmol/L
Amobarbital
Specimen: Serum
Conversion Factor: 4.42
US Range:1-5 µg/mL
SI Range: 4-22 µmol/L
Amphetamine
Specimen: Serum, Plasma
Conversion Factor: 7.4
US Range:20-30 ng/mL
SI Range: 148-222 nmol/L
Amylase
Specimen: Serum
Conversion Factor: 0.0167
US Range:27-131 U/L
SI Range: 0.46-2.23 µkat/L
Androstenedione
Specimen: Serum
Conversion Factor: 0.0349
US Range:75-205 ng/dL
SI Range: 2.6-7.2 nmol/L
Angiotensin I
Specimen: Plasma
Conversion Factor: 0.772
US Range:<25 pg/mL
SI Range: <15 pmol/L
Angiotensin II
Specimen: Plasma
Conversion Factor: 0.957
US Range:10-60 pg/mL
SI Range: 0.96-58 pmol/L
Angiotensin-converting enzyme
Specimen: Serum
Conversion Factor: 16.667
US Range:<40 U/L
SI Range: <670 nkat/L
Anion gap Na+–(Cl- + HCO3-)
Specimen: Serum, Plasma
Conversion Factor: 1
US Range:8-16 mEq/L
SI Range: 8-16 mmol/L
Antidiuretic hormone (ADH)
Specimen: Plasma
Conversion Factor: 0.923
US Range:1-5 pg/mL
SI Range: 0.9-4.6 pmol/L
Antithrombin III
Specimen: Plasma
Conversion Factor: 10
US Range:21-30 mg/dL
SI Range: 210-300 mg/L
α1-Antitrypsin
Specimen: Serum
Conversion Factor: 0.184
US Range:78-200 14.5-36.5
SI Range: 14.5-36.5 µmol/L
Apolipoprotein A-I
Specimen: Serum
Conversion Factor: 0.01
US Range:80-151 mg/dL
SI Range: 0.8-1.5 g/L
Apolipoprotein B
Specimen: Serum, Plasma
Conversion Factor: 0.01
US Range:50-123 mg/dL
SI Range: 0.5-1.2 g/L
Arginine
Specimen: Serum
Conversion Factor: 57.05
US Range:0.37-2.40 mg/dL
SI Range: 21-138 µmol/L
Arsenic
Specimen: Whole blood
Conversion Factor: 0.0133
US Range:2-23 µg/L
SI Range: 0.03-0.31 µmol/L
Asparagine
Specimen: Plasma
Conversion Factor: 75.689
US Range:0.40-0.91 mg/dL
SI Range: 30-69 µmol/L
Aspartate aminotransferase (AST)
Specimen: Serum
Conversion Factor: 0.0167
US Range:10-30 U/L
SI Range: 0.17-0.51 µkat/L
Aspartic acid
Specimen: Plasma
Conversion Factor: 75.13
US Range:<0.3 mg/dL
SI Range: <25 µmol/L
Atrial natriuretic hormone
Specimen: Plasma
Conversion Factor: 0.325
US Range:20-77 pg/mL
SI Range: 6.5-2.5 pmol/L
Base excess
Specimen: Whole blood
Conversion Factor: 1
US Range:–2 to 3 mEg/L
SI Range: –2 to 3 mmol/L
Bicarbonate
Specimen: Serum
Conversion Factor: 1
US Range:21-28 mEq/L
SI Range: 21-28 mmol/L
Bile acids (total)
Specimen: Serum
Conversion Factor: 2.448
US Range:0.3-2.3 µg/mL
SI Range: 0.73-5.63 µmol/L
Bilirubin, total
Specimen: Serum
Conversion Factor: 17.104
US Range:0.3-1.2 mg/dL
SI Range: 5.0-21.0 µmol/L
Bilirubin, direct (conjugated)
Specimen: Serum
Conversion Factor: 17.104
US Range:0.1-0.3 mg/dL
SI Range: 1.7-5.1 µmol/L
Biotin
Specimen: Serum
Conversion Factor: 0.00409
US Range:200-500 pg/mL
SI Range: 0.82-2.05 nmol/L
Bismuth
Specimen: Whole blood
Conversion Factor: 4.785
US Range:1-12 µg/L
SI Range: 4.8-57.4 nmol/L
Carbon dioxide, Pco2
Specimen: Arterial blood
Conversion Factor: 0.133
US Range:35-45 mEq/L
SI Range: 4.7-5.9 kPa
ph
Specimen: Arterial blood
Conversion Factor: 1
US Range:7.35-7.45
SI Range: 7.35-7.45
Oxygen, Po2
Specimen: Arterial blood
Conversion Factor: 0.133
US Range:80-100
SI Range: 11-13 kPa
Brain-type natriuretic peptide (BNP)
Specimen: Plasma
Conversion Factor: 1
US Range:<167 pg/mL
SI Range: <167 ng/L
Bromide (toxic)
Specimen: Serum
Conversion Factor: 0.0125
US Range:>1250 µg/mL
SI Range: >15.6 mmol/L
C1 esterase inhibitor
Specimen: Serum
Conversion Factor: 10
US Range:12-30 mg/dL
SI Range: 120-300 mg/L
C3 complement
Specimen: Serum
Conversion Factor: 0.001
US Range:1200-1500 µg/mL
SI Range: 1.2-1.5 g/L
C4 complement
Specimen: Serum
Conversion Factor: 0.001
US Range:350-600 µg/mL
SI Range: 0.35-0.60 g/L
Cadmium
Specimen: Whole blood
Conversion Factor: 8.896
US Range:0.3-1.2 µg/L
SI Range: 2.7-10.7 nmol/L
Caffeine
Specimen: Serum, Plasma
Conversion Factor: 0.515
US Range:3-15 µg/L
SI Range: 2.5-7.5 µmol/L
Calcitonin
Specimen: Plasma
Conversion Factor: 0.292
US Range:3-26 pg/mL
SI Range: 0.8-7.6 pmol/L
Calcium, ionized
Specimen: Serum
Conversion Factor: 0.25
US Range:4.60-5.08 mg/dL
SI Range: 1.15-1.27 mmol/L
Calcium, total
Specimen: Serum
Conversion Factor: 0.25
US Range:8.2-10.2 mg/dL
SI Range: 2.05-2.55 mmol/L
Cancer antigen (CA) 125
Specimen: Serum
Conversion Factor: 1
US Range:<35 U/mL
SI Range: <35 kU/L
Carbamazepine
Specimen: Serum, Plasma
Conversion Factor: 4.233
US Range:8-12 µg/mL
SI Range: 34-51 µmol/L
Carbon dioxide (total)
Specimen: Serum, Plasma
Conversion Factor: 1
US Range:22-28 mEq/L
SI Range: 22-28 mmol/L
Carboxyhemoglobin, toxic
Specimen: Whole blood
Conversion Factor: 0.01
US Range:>20 %
SI Range: >0.2 Proportion of 1.0
Carcinoembryonic antigen (CEA)
Specimen: Serum
Conversion Factor: 1
US Range:<3.0 µg/L
SI Range: <3.0 µg/L
β-Carotene
Specimen: Serum
Conversion Factor: 0.01863
US Range:10-85 µg/dL
SI Range: 0.2-1.6 µmol/L
Carotenoids
Specimen: Serum
Conversion Factor: 0.01863
US Range:50-300 µg/dL
SI Range: 0.9-5.6 µmol/L
Ceruloplasmin
Specimen: Serum
Conversion Factor: 10
US Range:20-40 mg/dL
SI Range: 200-400 mg/L
Chloramphenicol
Specimen: Serum
Conversion Factor: 3.095
US Range:10-25 µg/mL
SI Range: 31-77 µmol/L
Chlordiazepoxide
Specimen: Serum, Plasma
Conversion Factor: 3.336
US Range:0.4-3.0 µg/mL
SI Range: 1.3-10.0 µmol/L
Chloride
Specimen: Serum, Plasma
Conversion Factor: 1
US Range:96-106 mEq/L
SI Range: 96-106 mmol/L
Chlorpromazine
Specimen: Plasma
Conversion Factor: 3.126
US Range:50-300 ng/mL
SI Range: 157-942 nmol/L
Chlorpropamide
Specimen: Plasma
Conversion Factor: 3.61
US Range:75-250 mg/L
SI Range: 270-900 µmol/L
Cholesterol (total) Desirable
Specimen: Serum, Plasma
Conversion Factor: 0.0259
US Range:<200 mg/dL
SI Range: <5.18 mmol/L
Cholesterol (total) Borderline high
Specimen: Serum, Plasma
Conversion Factor: 0.0259
US Range:200-239 mg/dL
SI Range: 5.18-6.18 mmol/L
Cholesterol (total) High
Specimen: Serum, Plasma
Conversion Factor: 0.0259
US Range:640 mg/dL
SI Range: 6.21 mmol/L
Cholesterol, high-density (HDL) (low level)
Specimen: Serum, Plasma
Conversion Factor: 0.0259
US Range:<40 mg/dL
SI Range: <1.03 mmol/L
Cholesterol, low-density (LDL) (high level)
Specimen: Serum, Plasma
Conversion Factor: 0.0259
US Range:>160 mg/dL
SI Range: 4.144 mmol/L
Cholinesterase
Specimen: Serum
Conversion Factor: 2.793
US Range:5-12 mg/L
SI Range: 14-39 nmol/L
Chorionic gonadotropin (ß-hCG) (nonpregnant)
Specimen: Serum
Conversion Factor: 1
US Range:5 mIU/mL
SI Range: 5 IU/L
Chromium
Specimen: Whole blood
Conversion Factor: 19.232
US Range:0.7-28.0 µg/L
SI Range: 13.4-538.6 nmol/L
Citrate
Specimen: Serum
Conversion Factor: 52.05
US Range:1.2-3.0 mg/dL
SI Range: 60-160 µmol/L
Citrulline
Specimen: Plasma
Conversion Factor: 57.081
US Range:0.2-1.0 mg/dL
SI Range: 12-55 µmol/L
Clonazepam
Specimen: Serum
Conversion Factor: 0.317
US Range:10-50 ng/mL
SI Range: 0.4-15.8 nmol/L
Clonidine
Specimen: Serum, Plasma
Conversion Factor: 4.35
US Range:1.0-2.0 ng/mL
SI Range: 4.4-8.7 nmol/L
Clozapine
Specimen: Serum
Conversion Factor: 0.003
US Range:200-350 ng/mL
SI Range: 0.6-1.0 µmol/L
Coagulation factor I
Specimen: Plasma
Conversion Factor: 29.41
US Range:0.15-0.35 g/dL
SI Range: 4.4-10.3 µmol/L
(Fibrinogen)
Specimen: Plasma
Conversion Factor: g/L
US Range:150-350 mg/dL
SI Range: 1.5-3.5 g/L
Coagulation factor II (prothrombin)
Specimen: Plasma
Conversion Factor: 0.01
US Range:70-130 %
SI Range: 0.70-1.30 Proportion of 1.0
Coagulation factor V
Specimen: Plasma
Conversion Factor: 0.01
US Range:70-130 %
SI Range: 0.70-1.30 Proportion of 1.0
Coagulation factor VII
Specimen: Plasma
Conversion Factor: 0.01
US Range:60-140 %
SI Range: 0.60-1.40 Proportion of 1.0
Coagulation factor VIII
Specimen: Plasma
Conversion Factor: 0.01
US Range:50-200 %
SI Range: 0.50-2.00 Proportion of 1.0
Coagulation factor IX
Specimen: Plasma
Conversion Factor: 0.01
US Range:70-130 %
SI Range: 0.70-1.30 Proportion of 1.0
Coagulation factor X
Specimen: Plasma
Conversion Factor: 0.01
US Range:70-130 %
SI Range: 0.70-1.30 Proportion of 1.0
Coagulation factor XI
Specimen: Plasma
Conversion Factor: 0.01
US Range:70-130 %
SI Range: 0.70-1.30 Proportion of 1.0
Coagulation factor XII
Specimen: Plasma
Conversion Factor: 0.01
US Range:70-130 %
SI Range: 0.70-1.30 Proportion of 1.0
Cobalt
Specimen: Serum
Conversion Factor: 16.968
US Range:4.0-10.0 µg/L
SI Range: 67.9-169.7 nmol/L
Cocaine (toxic)
Specimen: Serum
Conversion Factor: 3.297
US Range:>1000 ng/mL
SI Range: >3300 nmol/L
Codeine
Specimen: Serum
Conversion Factor: 3.34
US Range:10-100 ng/mL
SI Range: 33-334 nmol/L
Coenzyme Q10 (ubiquinone)
Specimen: Plasma
Conversion Factor: 1
US Range:0.5-1.5 µg/mL
SI Range: 0.5-1.5 mg/L
Copper
Specimen: Serum
Conversion Factor: 0.157
US Range:70-140 µg/dL
SI Range: 44866 µmol/L
Coproporphyrin
Specimen: Urine
Conversion Factor: 1.527
US Range:<200 µg/24h
SI Range: <300 µmol/d
Corticotropin
Specimen: Plasma
Conversion Factor: 0.22
US Range:<120 pg/mL
SI Range: <26 pmol/L
Cortisol
Specimen: Serum, Plasma
Conversion Factor: 27.588
US Range:5-25 µg/dL
SI Range: 140-690 nmol/L
Cotinine
Specimen: Plasma
Conversion Factor: 5.675
US Range:0-8 µg/L
SI Range: 0-45 nmol/L
C-peptide
Specimen: Serum
Conversion Factor: 0.331
US Range:0.5-2.5 ng/mL
SI Range: 0.17-0.83 nmol/L
C-reactive protein
Specimen: Serum
Conversion Factor: 9.524
US Range:0.08-3.1 mg/L
SI Range: 0.76-28.5 nmol/L
Creatine
Specimen: Serum
Conversion Factor: 76.25
US Range:0.1-0.4 mg/dL
SI Range: 8-31 µmol/L
Creatine kinase (CK)
Specimen: Serum
Conversion Factor: 0.0167
US Range:40-150 U/L
SI Range: 0.67-2.5 µkat/L
Creatine kinase–MB fraction
Specimen: Serum
Conversion Factor: 1
US Range:0-7 µg/L
SI Range: 0-7 µg/L
Creatinine
Specimen: Serum, Plasma
Conversion Factor: 88.4
US Range:0.6-1.2 mg/dL
SI Range: 53-106 µmol/L
Creatinine clearance
Specimen: Serum, Plasma
Conversion Factor: 0.0167
US Range:75-125 mL/min/1.73m2
SI Range: 1.24-2.08 mL/s/m2
Cyanide (toxic)
Specimen: Whole blood
Conversion Factor: 23.24
US Range:>1.0 µg/mL
SI Range: >23 µmol/L
Cyclic adenosine monophosphate (cAMP)
Specimen: Plasma
Conversion Factor: 3.04
US Range:4.6-8.6 ng/mL
SI Range: 14-26 µmol/L
Cyclosporine
Specimen: Serum
Conversion Factor: 0.832
US Range:100-400 ng/mL
SI Range: 83-333 nmol/L
Cystine
Specimen: Plasma
Conversion Factor: 41.615
US Range:0.40-1.40 mg/dL
SI Range: 16-60 µmol/L
D-dimer
Specimen: Plasma
Conversion Factor: 5.476
US Range:<0.5 µg/mL
SI Range: <3.0 nmol/L
Dehydroepiandrosterone (DHEA)
Specimen: Serum
Conversion Factor: 3.47
US Range:1.8-12.5 ng/mL
SI Range: 6.2-43.3 nmol/L
Dehydroepiandrosterone sulfate (DHEA-S)
Specimen: Serum
Conversion Factor: 0.027
US Range:50-450 µg/dL
SI Range: 1.6-12.2 µmol/L
Deoxycorticosterone
Specimen: Serum
Conversion Factor: 0.0303
US Range:2-19 ng/dL
SI Range: 61-576 nmol/L
Desipramine
Specimen: Serum, Plasma
Conversion Factor: 3.754
US Range:50-200 ng/mL
SI Range: 170-700 nmol/L
Diazepam
Specimen: Serum, Plasma
Conversion Factor: 0.0035
US Range:100-1000 ng/mL
SI Range: 0.35-3.51 µmol/L
Digoxin
Specimen: Plasma
Conversion Factor: 1.281
US Range:0.5-2.0 ng/mL
SI Range: 0.6-2.6 nmol/L
Diltiazem
Specimen: Serum
Conversion Factor: 2.412
US Range:<200 mg/L
SI Range: <480 µmol/L
Disopyramide
Specimen: Serum, Plasma
Conversion Factor: 2.946
US Range:2.8-7.0 µg/mL
SI Range: 8.3-22.0 µmol/L
Dopamine
Specimen: Plasma
Conversion Factor: 6.528
US Range:<87 pg/mL
SI Range: <475 pmol/L
Doxepin
Specimen: Serum, Plasma
Conversion Factor: 3.579
US Range:30-150 ng/mL
SI Range: 108-538 nmol/L
Albumin Proportion
Specimen: Serum
Conversion Factor: 0.01
US Range:52-65 %
SI Range: 0.52-0.65 Proportion of 1.0
α1-Globulin Proportion
Specimen: Serum
Conversion Factor: 0.01
US Range:2.5-5.0 %
SI Range: 0.025-0.05 Proportion of 1.0
α2-Globulin Proportion
Specimen: Serum
Conversion Factor: 0.01
US Range:7.0-13.0 %
SI Range: 0.07-0.13 Proportion of 1.0
ß-Globulin Proportion
Specimen: Serum
Conversion Factor: 0.01
US Range:8.0-14.0 %
SI Range: 0.08-0.14 Proportion of 1.0
γ-Globulin Proportion
Specimen: Serum
Conversion Factor: 0.01
US Range:12.0-22.0 %
SI Range: 0.12-0.22 Proportion of 1.0
Albumin Concentration
Specimen: Serum
Conversion Factor: 10
US Range:3.2-5.6 g/dL
SI Range: 32-56 g/L
α1 -Globulin Concentration
Specimen: Serum
Conversion Factor: 10
US Range:0.1-0.4 g/dL
SI Range: 1-10 g/L
α2-Globulin Concentration
Specimen: Serum
Conversion Factor: 10
US Range:0.4-1.2 g/dL
SI Range: 4-12 g/L
ß-Globulin Concentration
Specimen: Serum
Conversion Factor: 10
US Range:0.5-1.1 g/dL
SI Range: 5-11 g/L
γ-Globulin Concentration
Specimen: Serum
Conversion Factor: 10
US Range:0.5-1.6 g/dL
SI Range: 5-16 g/L
Ephedrine (toxic)
Specimen: Serum
Conversion Factor: 6.052
US Range:>2 µg/mL
SI Range: >12.1 µmol/L
Epinephrine
Specimen: Plasma
Conversion Factor: 5.459
US Range:<60 pg/mL
SI Range: <330 pmol/L
Erythrocyte sedimentation rate
Specimen: Whole blood
Conversion Factor: 1
US Range:0-20 mm/h
SI Range: 0-20 mm/h
Erythropoietin
Specimen: Serum
Conversion Factor: 1
US Range:5-36 IU/L
SI Range: 5-36 IU/L
Estradiol (E 2 )
Specimen: Serum
Conversion Factor: 3.671
US Range:30-400 pg/mL
SI Range: 110-1470 pmol/L
Estriol (E 3 )
Specimen: Serum
Conversion Factor: 3.467
US Range:5-40 ng/mL
SI Range: 17.4-138.8 nmol/L
Estrogens (total)
Specimen: Serum
Conversion Factor: 1
US Range:60-400 pg/mL
SI Range: 60-400 ng/L
Estrone (E 1 )
Specimen: Serum, Plasma
Conversion Factor: 3.698
US Range:1.5-25.0 pg/mL
SI Range: 5.5-92.5 pmol/L
Ethanol (ethyl alcohol)
Specimen: Serum, whole blood
Conversion Factor: 0.2171
US Range:<20 mg/dL
SI Range: <4.3 mmol/L
Ethchlorvynol (toxic)
Specimen: Serum, Plasma
Conversion Factor: 6.915
US Range:>20 µg/mL
SI Range: >138 µmol/L
Ethosuximide
Specimen: Serum
Conversion Factor: 7.084
US Range:40-100 mg/L
SI Range: 280-700 µmol/L
Ethylene glycol (toxic)
Specimen: Serum, Plasma
Conversion Factor: 0.1611
US Range:>30 mg/dL
SI Range: >5 mmol/L
Fatty acids (nonesterified)
Specimen: Serum, Plasma
Conversion Factor: 0.0355
US Range:8-25 mg/dL
SI Range: 0.28-0.89 mmol/L
Fecal fat (as stearic acid)
Specimen: Stool
Conversion Factor: 1
US Range:2-6 g/d
SI Range: 2-6 g/24h
Fenfluramine
Specimen: Serum
Conversion Factor: 4.324
US Range:0.04-0.30 µg/mL
SI Range: 0.18-1.30 µmol/L
Fentanyl
Specimen: Serum
Conversion Factor: 2.972
US Range:0.01-0.10 µg/mL
SI Range: 0.02-0.30 µmol/L
Ferritin
Specimen: Serum
Conversion Factor: 2.247
US Range:15-200 ng/mL
SI Range: 33-450 pmol/Lng/mL
α1-Fetoprotein
Specimen: Serum
Conversion Factor: 1
US Range:<10 µg/L
SI Range: <10 µg/L
Fibrin degradation products
Specimen: Plasma
Conversion Factor: 1
US Range:<10 µg/mL
SI Range: <10 mg/L
Fibrinogen
Specimen: Plasma
Conversion Factor: 0.0294
US Range:200-400 mg/dL
SI Range: 5.8-11.8 µmol/L
Flecanide
Specimen: Serum, Plasma
Conversion Factor: 2.413
US Range:0.2-1.0 µg/mL
SI Range: 0.5-2.4 µmol/L
Fluoride
Specimen: Whole blood
Conversion Factor: 0.5263
US Range:<0.05 mg/dL
SI Range: <0.027 mmol/L
Fluoxetine
Specimen: Serum
Conversion Factor: 0.00323
US Range:200-1100 ng/mL
SI Range: 0.65-3.56 µmol/L
Flurazepam (toxic)
Specimen: Serum, Plasma
Conversion Factor: 2.5
US Range:>0.2 µg/mL
SI Range: >0.5 µmol/L
Folate (folic acid)
Specimen: Serum
Conversion Factor: 2.266
US Range:3-16 ng/mL
SI Range: 7-36 nmol/L
Follicle-stimulating hormone (FSH)
Specimen: Serum, Plasma
Conversion Factor: 1
US Range:1-100 mIU/mL
SI Range: 1-100 IU/L
Fructosamine
Specimen: Serum
Conversion Factor: 5.581
US Range:36-50 mg/L
SI Range: 200-280 mmol/L
Fructose
Specimen: Serum
Conversion Factor: 55.506
US Range:1-6 mg/dL
SI Range: 55-335 µmol/L
Galactose
Specimen: Serum, Plasma
Conversion Factor: 0.0555
US Range:<20 mg/dL
SI Range: <1.10 mmol/L
Gastrin
Specimen: Serum
Conversion Factor: 0.481
US Range:25-90 pg/mL
SI Range: 12-45 pmol/L
Gentamicin
Specimen: Serum
Conversion Factor: 2.09
US Range:6-10 µg/mL
SI Range: 12-21 µmol/L
Glucagon
Specimen: Plasma
Conversion Factor: 1
US Range:20-100 pg/mL
SI Range: 20-100 ng/L
Glucose
Specimen: Serum
Conversion Factor: 0.0555
US Range:70-110 mg/dL
SI Range: 3.9-6.1 mmol/L
Glucose-6-phosphate dehydrogenase
Specimen: Whole blood
Conversion Factor: 0.0167
US Range:10-14 U/g hemoglobin
SI Range: 0.17-0.24 nkat/g hemoglobin
Glutamic acid
Specimen: Plasma
Conversion Factor: 67.967
US Range:0.2-2.8 mg/dL
SI Range: 15-190 µmol/L
Glutamine
Specimen: Plasma
Conversion Factor: 68.423
US Range:6.1-10.2 mg/dL
SI Range: 420-700 µmol/L
γ-Glutamyltransferase (GGT)
Specimen: Serum
Conversion Factor: 0.0167
US Range:2-30 U/L
SI Range: 0.03-0.51 µkat/L
Glutethimide
Specimen: Serum
Conversion Factor: 4.603
US Range:2-6 µg/mL
SI Range: 9-28 µmol/L
Glycerol (free)
Specimen: Serum
Conversion Factor: 0.1086
US Range:0.3-1.72 mg/dL
SI Range: 0.32-0.187 mmol/L
Glycine
Specimen: Plasma
Conversion Factor: 133.2
US Range:0.9-4.2 mg/dL
SI Range: 120-560 µmol/L
Gold
Specimen: Serum
Conversion Factor: 50.77
US Range:<10 µg/dL
SI Range: <500 nmol/L
Growth hormone (GH)
Specimen: Serum
Conversion Factor: 1
US Range:0-18 ng/mL
SI Range: 0-18 µg/L
Haloperidol
Specimen: Serum, Plasma
Conversion Factor: 2.66
US Range:6-24 ng/mL
SI Range: 16-65 nmol/L
Haptoglobin
Specimen: Serum
Conversion Factor: 10
US Range:26-185 mg/dL
SI Range: 260-1850 mg/L
Hematocrit
Specimen: Whole blood
Conversion Factor: 0.01
US Range:41-50 %
SI Range: 0.41-0.50 Proportion of 1.0
Hemoglobin
Specimen: Whole blood
Conversion Factor: 10
US Range:14.0-17.5 g/dL
SI Range: 140-175 g/L
Mean corpuscular hemoglobin (MCH)
Specimen: Whole blood
Conversion Factor: 1
US Range:26-34 pg/cell
SI Range: 26-34 pg/cell
Mean corpuscular hemoglobin concentration (MCHC)
Specimen: Whole blood
Conversion Factor: 10
US Range:33-37 g/dL
SI Range: 330-370 g/L
Mean corpuscular volume (MCV)
Specimen: Whole blood
Conversion Factor: 1
US Range:80-100 µm3
SI Range: 80-100 fL
Hemoglobin A 1c (glycated hemoglobin)
Specimen: Whole blood
Conversion Factor: 0.01
US Range:4-7 % of total hemoglobin
SI Range: 0.04-0.07 Proportion of total hemoglobin
Hemoglobin A 2
Specimen: Whole blood
Conversion Factor: 0.01
US Range:2.0-3.0 %
SI Range: 0.02-0.03 Proportion of 1.0
Histamine
Specimen: Plasma
Conversion Factor: 8.997
US Range:0.5-1.0 µg/L
SI Range: 4.5-9.0 nmol/L
Histidine
Specimen: Plasma
Conversion Factor: 64.45
US Range:0.5-1.7 mg/dL
SI Range: 32-110 µmol/L
Homocysteine
Specimen: Plasma
Conversion Factor: 7.397
US Range:0.68-2.02 mg/L
SI Range: 5-15 µmol/L
Homovanillic acid
Specimen: Urine
Conversion Factor: 5.489
US Range:1.4-8.8 mg/24 h
SI Range: 8-48 µmol/d
Hydrocodone
Specimen: Serum
Conversion Factor: 3.34
US Range:<0.02 µg/mL
SI Range: <0.06 µmol/L
Hydromorphone
Specimen: Serum
Conversion Factor: 3504
US Range:0.008-0.032 µg/mL
SI Range: 28-112 nmol/L
β-Hydroxybutyric acid
Specimen: Plasma
Conversion Factor: 96.06
US Range:<3.0 mg/dL
SI Range: <300 µmol/L
5-Hydroxyindoleacetic acid (5-HIAA)
Specimen: Urine
Conversion Factor: 5.23
US Range:2-6 mg/24h
SI Range: 10.4-31.2 µmol/d
Hydroxyproline
Specimen: Plasma
Conversion Factor: 76.266
US Range:<0.55 mg/dL
SI Range: <42 µmol/L
Ibuprofen
Specimen: Serum
Conversion Factor: 4.848
US Range:10-50 µg/mL
SI Range: 50-243 µmol/L
Imipramine
Specimen: Plasma
Conversion Factor: 3.566
US Range:150-250 ng/mL
SI Range: 536-893 nmol/L
Immunoglobulin A (IgA)
Specimen: Serum
Conversion Factor: 10
US Range:40-350 mg/dL
SI Range: 400-3500 mg/L
Immunoglobulin D (IgD)
Specimen: Serum
Conversion Factor: 10
US Range:0-8 mg/dL
SI Range: 0-80 mg/L
Immunoglobulin E (IgE)
Specimen: Serum
Conversion Factor: 0.001
US Range:0-1500 µg/L
SI Range: 0-1.5 mg/L
Immunoglobulin G (IgG)
Specimen: Serum
Conversion Factor: 0.01
US Range:650-1600 mg/dL
SI Range: 6.5-16.0 g/L
Immunoglobulin M (IgM)
Specimen: Serum
Conversion Factor: 10
US Range:54-300 mg/dL
SI Range: 550-3000 mg/L
Insulin
Specimen: Serum
Conversion Factor: 6.945
US Range:2.0-20
SI Range: 14-140 pmol/L
Insulinlike growth factor
Specimen: Serum
Conversion Factor: 0.131
US Range:130-450 ng/mL
SI Range: 18-60 nmol/L
Iodine
Specimen: Serum
Conversion Factor: 7.88
US Range:58-77 µg/L
SI Range: 450-580 nmol/L
Iron
Specimen: Serum
Conversion Factor: 0.179
US Range:60-150 µg/dL
SI Range: 10.7-26.9 µmol/L
Iron-binding capacity
Specimen: Serum
Conversion Factor: 0.179
US Range:250-450 µg/dL
SI Range: 44.8-80.6 µmol/L
Isoleucine
Specimen: Plasma
Conversion Factor: 76.236
US Range:0.5-1.3 mg/dL
SI Range: 40-100 µmol/L
Isoniazid
Specimen: Plasma
Conversion Factor: 7.291
US Range:1-7 µg/mL
SI Range: 7-51 µmol/L
Isopropanol (toxic)
Specimen: Serum, Plasma
Conversion Factor: 0.0166
US Range:>400 mg/L
SI Range: >6.64 mmol/L
Kanamycin
Specimen: Serum, Plasma
Conversion Factor: 2.08
US Range:25-35 µg/mL
SI Range: 52-72 µmol/L
Ketamine
Specimen: Serum
Conversion Factor: 4.206
US Range:0.2-6.3 µg/mL
SI Range: 0.8-26 µmol/L
17-Ketosteroids
Specimen: Urine
Conversion Factor: 3.33
US Range:3-12 mg/24h
SI Range: 10-42 µmol/d
Lactate
Specimen: Plasma
Conversion Factor: 0.111
US Range:5.0-15 mg/dL
SI Range: 0.6-1.7 mmol/L
Lactate dehydrogenase (LDH)
Specimen: Serum
Conversion Factor: 0.0167
US Range:100-200 U/L
SI Range: 1.7-3.4 µkat/L
LD1
Specimen: Serum
Conversion Factor: 0.01
US Range:17-27 %
SI Range: 0.17-0.27 Proportion of 1.0
LD2
Specimen: Serum
Conversion Factor: 0.01
US Range:27-37 %
SI Range: 0.27-0.37 Proportion of 1.0
LD3
Specimen: Serum
Conversion Factor: 0.01
US Range:18-25 %
SI Range: 0.18-0.25 Proportion of 1.0
LD4
Specimen: Serum
Conversion Factor: 0.01
US Range:3-8 %
SI Range: 0.03-0.08 Proportion of 1.0
LD5
Specimen: Serum
Conversion Factor: 0.01
US Range:0-5 %
SI Range: 0-0.05 Proportion of 1.0
Lead
Specimen: Serum
Conversion Factor: 0.0483
US Range:<10-20 µg/dL
SI Range: <0.5-1.0 µmol/L
Leucine
Specimen: Plasma
Conversion Factor: 76.237
US Range:1.0-2.3 mg/dL
SI Range: 75-175 µmol/L
Lidocaine
Specimen: Serum, Plasma
Conversion Factor: 4.267
US Range:1.5-6.0 µg/mL
SI Range: 6.4-25.6 µmol/L
Lipase
Specimen: Serum
Conversion Factor: 0.0167
US Range:31-186 U/L
SI Range: 0.5-3.2 µkat/L
Lipoprotein(a) [Lp(a)]
Specimen: Serum
Conversion Factor: 0.0357
US Range:10-30 mg/dL
SI Range: 0.35-1.0 µmol/L
Lithium
Specimen: Serum
Conversion Factor: 1
US Range:0.6-1.2 mEq/L
SI Range: 0.6-1.2 mmol/L
Lorazepam
Specimen: Serum
Conversion Factor: 3.114
US Range:50-240 ng/mL
SI Range: 156-746 nmol/L
Luteinizing hormone (LH)
Specimen: Serum, Plasma
Conversion Factor: 1
US Range:1-104 mIU/mL
SI Range: 1-104 IU/L
Lycopene
Specimen: Serum
Conversion Factor: 1.863
US Range:0.15-0.25 mg/L
SI Range: 0.28-0.46 µmol/L
Lysergic acid diethylamide
Specimen: Serum
Conversion Factor: 3726
US Range:<0.004 µg/mL
SI Range: <15 nmol/L
Lysine
Specimen: Plasma
Conversion Factor: 68.404
US Range:1.2-3.5 mg/dL
SI Range: 80-240 µmol/L
Lysozyme
Specimen: Serum, Plasma
Conversion Factor: 10
US Range:0.4-1.3 mg/dL
SI Range: 4-13 mg/L
Magnesium
Specimen: Serum
Conversion Factor: 0.5
US Range:1.3-2.1 mEq/L
SI Range: 0.65-1.05 mmol/L
Manganese
Specimen: Whole blood
Conversion Factor: 18.202
US Range:10-12 µg/L
SI Range: 182-218 nmol/L
Maprotiline
Specimen: Plasma
Conversion Factor: 1
US Range:200-600 ng/mL
SI Range: 200-600 µg/L
Melatonin
Specimen: Serum
Conversion Factor: 4.305
US Range:10-15
SI Range: 45-66 pmol/L
Meperidine
Specimen: Serum, Plasma
Conversion Factor: 4.043
US Range:400-700 ng/mL
SI Range: 1620-2830 nmol/L
Mercury
Specimen: Serum
Conversion Factor: 4.985
US Range:<5 µg/L
SI Range: <25 nmol/L
Metanephrine (total)
Specimen: Urine
Conversion Factor: 5.07
US Range:<1.0 mg/24h
SI Range: <5 µmol/d
Metformin
Specimen: Serum
Conversion Factor: 7.742
US Range:1-4 µg/mL
SI Range: 8-30 µmol/L
Methadone
Specimen: Serum, Plasma
Conversion Factor: 0.00323
US Range:100-400 ng/mL
SI Range: 0.32-1.29 µmol/L
Methamphetamine
Specimen: Serum
Conversion Factor: 6.7
US Range:0.01-0.05 µg/mL
SI Range: 0.07-0.34 µmol/L
Methanol
Specimen: Plasma
Conversion Factor: 0.0312
US Range:<200 µg/mL
SI Range: <6.2 mmol/L
Methaqualone
Specimen: Serum, Plasma
Conversion Factor: 4
US Range:2-3 µg/mL
SI Range: 8-12 µmol/L
Methemoglobin
Specimen: Whole blood
Conversion Factor: 155
US Range:<0.24 g/dL
SI Range: <37.2 µmol/L
Methemoglobin
Specimen: Whole blood
Conversion Factor: 0.01
US Range:<1.0 % of total hemoglobin
SI Range: <0.01 Proportion of total hemoglobin
Methicillin
Specimen: Serum
Conversion Factor: 2.636
US Range:8-25 mg/L
SI Range: 22-66 µmol/L
Methionine
Specimen: Plasma
Conversion Factor: 67.02
US Range:0.1-0.6 mg/dL
SI Range: 6-40 µmol/L
Methotrexate
Specimen: Serum, Plasma
Conversion Factor: 2200
US Range:0.04-0.36 mg/L
SI Range: 90-790 nmol/L
Methyldopa
Specimen: Plasma
Conversion Factor: 4.735
US Range:1-5 µg/mL
SI Range: 5.0-25 µmol/L
Metoprolol
Specimen: Serum, Plasma
Conversion Factor: 3.74
US Range:75-200 ng/mL
SI Range: 281-748 nmol/L
2 -Microglobulin
Specimen: Serum
Conversion Factor: 1
US Range:1.2-2.8 mg/L
SI Range: 1.2-2.8 mg/L
Morphine
Specimen: Serum, Plasma
Conversion Factor: 3.504
US Range:10-80 ng/mL
SI Range: 35-280 nmol/L
Myoglobin
Specimen: Serum
Conversion Factor: 0.0571
US Range:19-92 µg/L
SI Range: 1.0-5.3 nmol/L
Naproxen
Specimen: Serum
Conversion Factor: 4.343
US Range:26-70 µg/mL
SI Range: 115-300 µmol/L
Niacin (nicotinic acid)
Specimen: Urine
Conversion Factor: 7.3
US Range:2.4-6.4 mg/24h
SI Range: 17.5-46.7 µmol/d
Nickel
Specimen: Whole blood
Conversion Factor: 17.033
US Range:1.0-28.0 µg/L
SI Range: 17-476 nmol/L
Nicotine
Specimen: Plasma
Conversion Factor: 6.164
US Range:0.01-0.05 mg/L
SI Range: 0.062-0.308 µmol/L
Nitrogen (nonprotein)
Specimen: Serum
Conversion Factor: 0.714
US Range:20-35 mg/dL
SI Range: 14.3-25.0 mmol/L
Nitroprusside (as thiocyanate)
Specimen:
Conversion Factor: 17.2
US Range:6-29 µg/L
SI Range: 103-500 µmol/L
Norepinephrine
Specimen: Plasma
Conversion Factor: 5.911
US Range:110-410 pg/mL
SI Range: 650-2423 pmol/L
Nortriptyline
Specimen: Serum, Plasma
Conversion Factor: 3.797
US Range:50-150 ng/mL
SI Range: 190-570 nmol/L
Ornithine
Specimen: Plasma
Conversion Factor: 75.666
US Range:0.4-1.4 mg/dL
SI Range: 30-106 µmol/L
Osmolality
Specimen: Serum
Conversion Factor: 1
US Range:275-295 mOsm/kg
SI Range: 275-295 mmol/kg
Osteocalcin
Specimen: Serum
Conversion Factor: 1
US Range:3.0-13.0 ng/mL
SI Range: 3.0-13.0 µg/L
Oxalate
Specimen: Serum
Conversion Factor: 11.107
US Range:1.0-2.4
SI Range: 11-27 µmol/L
Oxazepam
Specimen: Serum, Plasma
Conversion Factor: 3.487
US Range:0.2-1.4 µg/mL
SI Range: 0.7-4.9 µmol/L
Oxycodone
Specimen: Serum
Conversion Factor: 3.171
US Range:10-100 ng/mL
SI Range: 32-317 nmol/L
Oxygen, partial pressure (Po 2 )
Specimen: Arterial blood
Conversion Factor: 0.133
US Range:80-100 mm Hg
SI Range: 11-13 kPa
Paraquat
Specimen: Whole blood
Conversion Factor: 5.369
US Range:0.1-1.6 µg/mL
SI Range: 0.5-8.5 µmol/L
Parathyroid hormone
Specimen: Serum
Conversion Factor: 1
US Range:10-65 pg/mL
SI Range: 10-65 ng/L
Pentobarbital
Specimen: Serum, Plasma
Conversion Factor: 4.439
US Range:1-5 µg/mL
SI Range: 4.0-22 µmol/L
Pepsinogen
Specimen: Serum
Conversion Factor: 1
US Range:28-100 ng/mL
SI Range: 28-100 µg/L
Phencyclidine (toxic)
Specimen: Serum, Plasma
Conversion Factor: 4.109
US Range:90-800 ng/mL
SI Range: 370-3288 nmol/L
Phenobarbital
Specimen: Serum, Plasma
Conversion Factor: 4.31
US Range:15-40 µg/mL
SI Range: 65-172 µmol/L
Phenylalanine
Specimen: Plasma
Conversion Factor: 60.544
US Range:0.6-1.5 mg/dL
SI Range: 35-90 µmol/L
Phenylpropanolamine
Specimen: Serum
Conversion Factor: 6613
US Range:0.05-0.10 µg/mL
SI Range: 330-660 nmol/L
Phenytoin
Specimen: Serum, Plasma
Conversion Factor: 3.968
US Range:10-20 mg/L
SI Range: 40-79 µmol/L
Phosphorus (inorganic)
Specimen: Serum
Conversion Factor: 0.323
US Range:2.3-4.7 mg/dL
SI Range: 0.74-1.52 mmol/L
Placental lactogen
Specimen: Serum
Conversion Factor: 46.296
US Range:0.5-1.1 µg/mL
SI Range: 23-509 nmol/L
Plasminogen (antigenic)
Specimen: Plasma
Conversion Factor: 0.113
US Range:10-20 mg/dL
SI Range: 1.1-2.2 µmol/L
Plasminogen activator inhibitor
Specimen: Plasma
Conversion Factor: 19.231
US Range:4-40 ng/mL
SI Range: 75-750 pmol/L
platelet
Specimen: Whole blood
Conversion Factor: 1
US Range:150-350
SI Range: 150-350 ×109/L
Porphyrins (total)
Specimen: Urine
Conversion Factor: 1.203
US Range:20-120 µg/L
SI Range: 25-144 nmol/L
Potassium
Specimen: Serum
Conversion Factor: 1
US Range:3.5-5.0 mEq/L
SI Range: 3.5-5.0 mmol/L
Prealbumin
Specimen: Serum
Conversion Factor: 10
US Range:19.5-35.8 mg/dL
SI Range: 195-358 mg/L
Pregnanediol
Specimen: Urine
Conversion Factor: 3.12
US Range:<2.6
SI Range: <8 µmol/d
Pregnanetriol
Specimen: Urine
Conversion Factor: 2.972
US Range:<2.5
SI Range: <7.5 µmol/d
Primidone
Specimen: Serum, Plasma
Conversion Factor: 4.582
US Range:5-12 µg/mL
SI Range: 23-55 µmol/L
Procainamide
Specimen: Serum, Plasma
Conversion Factor: 4.25
US Range:4-10 µg/mL
SI Range: 17-42 µmol/L
Progesterone
Specimen: Serum
Conversion Factor: 3.18
US Range:0.15-25 ng/mL
SI Range: 0.5-79.5 nmol/L
Prolactin
Specimen: Serum
Conversion Factor: 43.478
US Range:3.8-23.2 µg/L
SI Range: 165-1010 pmol/L
Proline
Specimen: Plasma
Conversion Factor: 86.858
US Range:1.2-3.9 mg/dL
SI Range: 104-340 µmol/L
Propoxyphene
Specimen: Plasma
Conversion Factor: 2.946
US Range:0.1-0.4 µg/mL
SI Range: 0.3-1.2 µmol/L
Propranolol
Specimen: Serum
Conversion Factor: 3.856
US Range:50-100 ng/mL
SI Range: 193-386 nmol/L
Prostate-specific antigen
Specimen: Serum
Conversion Factor: 1
US Range:<4.0 µg/L
SI Range: <4.0 µg/L
Protein (total)
Specimen: Serum
Conversion Factor: 10
US Range:6.0-8.0 g/dL
SI Range: 60-80 g/L
Prothrombin time (PT)
Specimen: Plasma
Conversion Factor: 1
US Range:10-13 s
SI Range: 10-13 s
Protoporphyrin
Specimen: Serum, Plasma
Conversion Factor: 0.0178
US Range:15-150 µg/dL
SI Range: 0.27-0.89 µmol/L
Protriptyline
Specimen: Serum, Plasma
Conversion Factor: 3.787
US Range:70-250 µg/dL
SI Range: 266-950 nmol/L
Pyruvate
Specimen: Plasma
Conversion Factor: 113.56
US Range:0.5-1.5 mg/dL
SI Range: 60-170 µmol/L
Quinidine
Specimen: Serum
Conversion Factor: 3.082
US Range:2.0-5.0 µg/mL
SI Range: 6.2-15.4 µmol/L
Red blood cell count
Specimen: Whole blood
Conversion Factor: 1
US Range:3.9-5.5
SI Range: 3.9-5.5 ×1012/L
Renin
Specimen: Plasma
Conversion Factor: 0.0237
US Range:30-40 pg/mL
SI Range: 0.7-1.0 pmol/L
Reticulocyte count
Specimen: Whole blood
Conversion Factor: 1
US Range:25-75
SI Range: 25-75 ×109/L
Reticulocyte count
Specimen: Whole blood
Conversion Factor: 0.01
US Range:0.5-1.5
SI Range: 0.005-0.015 Proportion of red blood cells
Rifampin
Specimen: Serum
Conversion Factor: 1.215
US Range:4-40 mg/L
SI Range: 5-49 µmol/L
Salicylates
Specimen: Serum, Plasma
Conversion Factor: 7.24
US Range:150-300 µg/mL
SI Range: 1086-2172 µmol/L
Selenium
Specimen: Serum, Plasma
Conversion Factor: 0.0127
US Range:58-234 µg/L
SI Range: 0.74-2.97 µmol/L
Serine
Specimen: Plasma
Conversion Factor: 95.156
US Range:0.7-2.0 mg/dL
SI Range: 65-193 µmol/L
Serotonin (5-hydroxytryptamine)
Specimen: Whole blood
Conversion Factor: 0.00568
US Range:50-200 ng/mL
SI Range: 0.28-1.14 µmol/L
Sex hormone-binding globulin
Specimen: Serum
Conversion Factor: 8.896
US Range:1.5-2.0 µg/mL
SI Range: 13-17 nmol/L
Sodium
Specimen: Serum
Conversion Factor: 1
US Range:136-142 mEq/L
SI Range: 136-142 mmol/L
Somatomedin C (Insulinlike growth factor)
Specimen: Serum
Conversion Factor: 0.131
US Range:130-450 ng/mL
SI Range: 18-60 nmol/L
Somatostatin
Specimen: Plasma
Conversion Factor: 0.611
US Range:<25 pg/mL
SI Range: <15 pmol/L
Streptomycin
Specimen: Serum
Conversion Factor: 1.719
US Range:7-50 mg/L
SI Range: 12-86 µmol/L
Strychnine
Specimen: Whole blood
Conversion Factor: 2.99
US Range:<0.5 mg/L
SI Range: <1.5 µmol/L
Substance P
Specimen: Plasma
Conversion Factor: 0.742
US Range:<240 pg/mL
SI Range: <180 pmol/L
Sulfate
Specimen: Serum
Conversion Factor: 31.188
US Range:10-32 mg/L
SI Range: 310-990 µmol/L
Sulfmethemoglobin
Specimen: Whole blood
Conversion Factor: 0.01
US Range:<1.0 % of total hemoglobin
SI Range: <0.010 Proportion of total hemoglobin
Taurine
Specimen: Plasma
Conversion Factor: 79.91
US Range:0.3-2.1 mg/dL
SI Range: 24-168 µmol/L
Testosterone
Specimen: Serum
Conversion Factor: 0.0347
US Range:300-1200 ng/dL
SI Range: 10.4-41.6 nmol/L
Tetrahydrocannabinol
Specimen: Serum
Conversion Factor: 3.18
US Range:<0.20 µg/mL
SI Range: <0.60 µmol/L
Theophylline
Specimen: Serum, Plasma
Conversion Factor: 5.55
US Range:10-20 µg/mL
SI Range: 56-111 µmol/L
Thiopental
Specimen: Serum, Plasma
Conversion Factor: 4.144
US Range:1-5 µg/mL
SI Range: 4.1-20.7 µmol/L
Thioridazine
Specimen: Serum, Plasma
Conversion Factor: 2.699
US Range:1.0-1.5 µg/mL
SI Range: 2.7-4.1 µmol/L
Threonine
Specimen: Plasma
Conversion Factor: 84
US Range:0.9-2.5 mg/dL
SI Range: 75-210 µmol/L
Thrombin time
Specimen: Plasma
Conversion Factor: 1
US Range:16-24 s
SI Range: 16-24 s
Thyroglobulin
Specimen: Serum
Conversion Factor: 1
US Range:3-42 ng/mL
SI Range: 3-42 µg/L
Thyrotropin
Specimen: Serum
Conversion Factor: 1
US Range:0.4-4.2 ng/mL
SI Range: 0.4-4.2 mIU/L
Thyroxine, free (FT 4 )
Specimen: Serum
Conversion Factor: 12.871
US Range:0.9-2.3 ng/dL
SI Range: 12-30 pmol/L
Thyroxine, total (T 4 )
Specimen: Serum
Conversion Factor: 12.871
US Range:5.5-12.5 µg/dL
SI Range: 71-160 nmol/L
Thyroxine-binding globulin
Specimen: Serum
Conversion Factor: 17.094
US Range:16.0-24.0 µg/mL
SI Range: 206-309 nmol/L
Tissue plasminogen activator
Specimen: Plasma
Conversion Factor: 1000
US Range:<0.04 IU/mL
SI Range: <40 IU/L
Tobramycin
Specimen: Serum, Plasma
Conversion Factor: 2.139
US Range:5-10 µg/mL
SI Range: 10-21 µmol/L
Tocainide
Specimen: Serum
Conversion Factor: 5.201
US Range:4-10 µg/mL
SI Range: 21-52 µmol/L
Tolbutamide
Specimen: Serum
Conversion Factor: 3.7
US Range:80-240 µg/mL
SI Range: 296-888 µmol/L
Transferrin
Specimen: Serum
Conversion Factor: 0.123
US Range:200-400 mg/dL
SI Range: 2.5-5.0 µmol/L
Triglycerides
Specimen: Serum
Conversion Factor: 0.0113
US Range:<160 mg/dL
SI Range: 1.8 mmol/L
Triiodothyronine, free (FT3)
Specimen: Serum
Conversion Factor: 0.0154
US Range:130-450
SI Range: 2.0-7.0 pmol/L
Triiodothyronine, total (T3)
Specimen: Serum
Conversion Factor: 0.0154
US Range:60-180 ng/dL
SI Range: 0.92-2.76 nmol/L
Troponin I
Specimen: Serum
Conversion Factor: 1
US Range:0-0.4 ng/mL
SI Range: 0-0.4 µg/L
Troponin T
Specimen: Serum
Conversion Factor: 1
US Range:0-0.1 ng/mL
SI Range: 0-0.1 µg/L
Tryptophan
Specimen: Plasma
Conversion Factor: 48.967
US Range:0.5-1.5 mg/dL
SI Range: 25-73 µmol/L
Tyrosine
Specimen: Plasma
Conversion Factor: 55.19
US Range:0.4-1.6 mg/dL
SI Range: 20-90 µmol/L
Urea nitrogen
Specimen: Serum
Conversion Factor: 0.357
US Range:8-23 mg/dL
SI Range: 2.9-8.2 mmol/L
Uric acid
Specimen: Serum
Conversion Factor: 59.485
US Range:4.0-8.0 mg/dL
SI Range: 240-480 µmol/L
Urobilinogen
Specimen: Urine
Conversion Factor: 1.7
US Range:1-3.5 mg/24h
SI Range: 1.7-5.9 µmol/d
Valine
Specimen: Plasma
Conversion Factor: 85.361
US Range:1.7-3.7 mg/dL
SI Range: 145-315 µmol/L
Valproic acid
Specimen: Serum, Plasma
Conversion Factor: 6.934
US Range:50-100 µg/mL
SI Range: 346-693 µmol/L
Vancomycin
Specimen: Serum, Plasma
Conversion Factor: 0.69
US Range:20-40 µg/mL
SI Range: 14-28 µmol/L
Vanillylmandelic acid (VMA)
Specimen: Urine
Conversion Factor: 5.046
US Range:2.1-7.6 mg/24h
SI Range: 11-38 µmol/d
Vasoactive intestinal polypeptide
Specimen: Plasma
Conversion Factor: 0.296
US Range:<50 pg/mL
SI Range: <15 pmol/L
Vasopressin
Specimen: Plasma
Conversion Factor: 0.923
US Range:1.5-2.0 pg/mL
SI Range: 1.0-2.0 pmol/L
Verapamil
Specimen: Serum, Plasma
Conversion Factor: 2.2
US Range:100-500 ng/mL
SI Range: 220-1100 nmol/L
Vitamin A (retinol)
Specimen: Serum
Conversion Factor: 0.0349
US Range:30-80 µg/dL
SI Range: 1.05-2.80 µmol/L
vitaminb1
Specimen: Serum
Conversion Factor: 29.6
US Range:0-2 µg/dL
SI Range: 0-75 nmol/L
vitaminb2
Specimen: Serum
Conversion Factor: 26.6
US Range:4-24 µg/dL
SI Range: 106-638 nmol/L
Vitamin B3
Specimen: Whole blood
Conversion Factor: 4.56
US Range:0.2-1.8 µg/mL
SI Range: 0.9-8.2 µmol/L
vitaminb6
Specimen: Plasma
Conversion Factor: 4.046
US Range:5-30 ng/mL
SI Range: 20-121 nmol/L
Vitamin B12
Specimen: Serum
Conversion Factor: 0.7378
US Range:160-950 pg/mL
SI Range: 118-701 pmol/L
vitaminc
Specimen: Serum
Conversion Factor: 56.78
US Range:0.4-1.5 mg/dL
SI Range: 23-85 µmol/L
vitamind
Specimen: Serum
Conversion Factor: 2.6
US Range:25-45 pg/mL
SI Range: 60-108 pmol/L
Vitamin D (25-hydroxyvitamin D)
Specimen: Plasma
Conversion Factor: 2.496
US Range:14-60 ng/mL
SI Range: 35-150 nmol/L
vitamine
Specimen: Serum
Conversion Factor: 2.32
US Range:5-18 µg/mL
SI Range: 12-42 µmol/L
Vitamin K
Specimen: Serum
Conversion Factor: 2.22
US Range:0.13-1.19 ng/mL
SI Range: 0.29-2.64 nmol/L
Warfarin
Specimen: Serum, Plasma
Conversion Factor: 3.247
US Range:1.0-10 µg/mL
SI Range: 3.2-32.4 µmol/L
White Blood Cell
Specimen: Whole blood
Conversion Factor: 0.001
US Range:4500-11000
SI Range: 4.5-11.0 ×109/L
Neutrophils-segmented
Specimen: Whole blood
Conversion Factor: 0.001
US Range:1800-7800
SI Range: 1.8-7.8 ×109/L
Neutrophils-bands
Specimen: Whole blood
Conversion Factor: 0.001
US Range:0-700
SI Range: 0-0.70 ×109/L
Lymphocytes
Specimen: Whole blood
Conversion Factor: 0.001
US Range:1000-4800
SI Range: 1.0-4.8 ×109/L
Monocytes
Specimen: Whole blood
Conversion Factor: 0.001
US Range:0-800
SI Range: 0-0.80 ×109/L
Eosinophils
Specimen: Whole blood
Conversion Factor: 0.001
US Range:0-450
SI Range: 0-0.45 ×109/L
Basophils %
Specimen: Whole blood
Conversion Factor: 0.001
US Range:0-200
SI Range: 0-0.20 ×109/L
Neutrophils-segmented %
Specimen: Whole blood
Conversion Factor: 0.01
US Range:56 %
SI Range: 0.56 Proportion of 1.0
Neutrophils-bands %
Specimen: Whole blood
Conversion Factor: 0.01
US Range:3 %
SI Range: 0.03 Proportion of 1.0
Lymphocytes %
Specimen: Whole blood
Conversion Factor: 0.01
US Range:34 %
SI Range: 0.34 Proportion of 1.0
Monocytes %
Specimen: Whole blood
Conversion Factor: 0.01
US Range:4 %
SI Range: 0.04 Proportion of 1.0
Eosinophils %
Specimen: Whole blood
Conversion Factor: 0.01
US Range:2.7 %
SI Range: 0.027 Proportion of 1.0
Basophils %
Specimen: Whole blood
Conversion Factor: 0.01
US Range:0.3 %
SI Range: 0.003 Proportion of 1.0
Zidovudine
Specimen: Serum, Plasma
Conversion Factor: 3.7
US Range:0.15-0.27 µg/mL
SI Range: 0.56-1.01 µmol/L
Zinc
Specimen: Serum
Conversion Factor: 0.153
US Range:75-120 µg/dL
SI Range: 11.5-18.5 µmol/L