Normal Lab Values

pH, arterial blood

7.38-7.46

Pco2, arterial blood

32-45 mm Hg

Po2, arterial blood

83-116 mm Hg

Bicarbonate (HCO3), arterial blood

22-27 mmol/L

Base excess, arterial blood

−2.5 to 2.5 mmol/L

Erythrocyte sedimentation rate (ESR), blood

Female: 0-20 mm/h

Male: 0-10 mm/h

Hematocrit (Hct), blood

0.38-0.50 L/L

Hemoglobin (Hgb), blood

Female: 115-155 g/L

Male: 125-170 g/L

Mean corpuscular volume (MCV), blood

80-100 fL

Mean corpuscular hemoglobin (MCH), blood

Female: 25-34 pg

Male: 27-34 pg

Mean corpuscular hemoglobin concentration (MCHC), blood

315-355 g/L

Mean platelet volume (MPV), blood

9.0-14.0 fL

Platelet count, blood

130-380 × 109/L

Red blood cell (RBC) count, blood

Female: 3.50-5.00 × 1012/L

Male: 4.00-5.50 × 1012/L

Red cell distribution width (RDW), blood

11.5%-15.5%

Reticulocyte count, absolute, blood

23-90 × 109/L

Reticulocyte percentage, blood

0.5%-1.5%

Bleeding time (Ivy method), blood

1-9 min

International normalized ratio (INR), nonanticoagulated, blood

0.9-1.2

Activated partial thromboplastin time (APTT), nonanticoagulated, blood

22-30 s

Prothrombin time (PT), blood

10-14 s

White blood cell (WBC) count, blood

3.5-10.5 × 109/L

Neutrophils, absolute, blood

2.0-7.5 × 109/L

Basophils, blood

0-0.1 × 109/L

Eosinophils, blood

0-0.5 × 109/L

Lymphocytes, blood

Female: 0.8-3.3 × 109/L

Male: 0.8-3.5 × 109/L

Monocytes, blood

0.1-1.0 × 109/L

Ferritin, blood

Female: 11-307 µg/L

Male: 24-336 µg/L

Iron, blood

Female: 9-30 µmol/L

Male: 12-31 µmol/L

Iron-binding capacity, total (TIBC), blood

45-81 µmol/L

Transferrin, blood

2.0-3.6 g/L

Transferrin saturation, blood

0.20-0.50

Thyroid peroxidase antibody, blood

< 35 IU/mL

Thyrotropin (thyroid-stimulating hormone), blood

0.34-5.60 mIU/L

Thyroxine, free (FT4), blood

7.0-17.0 pmol/L

Triiodothyronine, free (FT3), blood

3.3-6.0 pmol/L

Adrenocorticotropic hormone (ACTH), blood

At 8 a.m.: 2.2-13.3 pmol/L

At 4 p.m.: < 4.5 pmol/L

Albumin, blood

34-50 g/L

Aldosterone, blood

61-978 pmol/L

Alkaline phosphatase, blood

50-136 IU/L

Alanine aminotransferase (ALT), blood

17-63 IU/L

Aspartate aminotransferase (AST), blood

15-37 IU/L

γ-Glutamyltransferase (GGT), blood

Female: 5.0-55.0 IU/L

Male: 15.0-85.0 IU/L

Ammonia, blood

≤ 35 µmol/L

Amylase, blood

25-115 IU/L

Anion gap, blood

5-12 mmol/L

Bicarbonate (HCO3), blood

21-32 mmol/L

Bilirubin, blood

Direct (conjugated): 2-9 µmol/L

Total: 3-17 µmol/L

Brain-type natriuretic peptide (BNP)

BNP, blood: ≤ 50 pg/mL

𝘕-terminal pro–brain-type natriuretic peptide (NT-proBNP), blood: ≤ 125 pg/mL

CD4 T-cell count, blood

500-2000 cells/μL

C-reactive protein, blood

≤ 10 mg/L

Calcium (Ca), blood

Total: 2.12-2.52 mmol/L

Ionized: 1.14-1.28 mmol/L

Cancer antigen (CA) 125, blood

< 35 kIU/L

Cancer antigen (CA) 19-9, blood

< 35 kIU/L

Carbamazepine, blood

17-51 µmol/L

Carcinoembryonic antigen (CEA), blood

< 3.0 µg/L

Chloride (Cl), blood

98-107 mmol/L

Cortisol, blood

a.m. 185-624 nmol/L

p.m. ≤ 276 nmol/L

Creatine kinase (CK), blood

Female: 30-190 IU/L

Male: 30-250 IU/L

Creatinine, blood

Female: 22-75 µmol/L

Male: 49-93 µmol/L

A D-dimer blood test is used to detect __________.

recent clotting

< 600 µg/L

Estimated glomerular filtration rate (eGFR), blood

≥ 60 mL/min/1.73 m

α1-Fetoprotein, blood

≤ 9.0 µg/L

Folate (folic acid), blood

≥ 10.0 nmol/L

Glucose, blood

Fasting: 4.0-6.0 mmol/L

Random: 4.0-11.0 mmol/L

Hemoglobin A1c (HbA1c), blood

4.8%-6.0%

Hepatitis B surface antibodies, blood

≥ 10 mIU/mL (Positive)

< 10 mIU/mL (Negative)

Lactate, blood

0.5-2.5 mmol/L

Lactate dehydrogenase (LDH), blood

100-205 IU/L

Lipase, blood

73-393 IU/L

Lithium (Li), blood

Age: 18-65 y: 0.6-1.2 mmol/L

Age > 65 y: 0.4-0.8 mmol/L

Magnesium (Mg), blood

0.74-1.03 mmol/L

Osmolality, blood

275-295 mmol/kg

Parathyroid hormone (PTH), blood

1.6-9.3 pmol/L

Phosphate (PO4), blood

0.81-1.58 mmol/L

Potassium (K), blood

3.5-5.1 mmol/L

Prostate-specific antigen (PSA), blood

< 3.1 µg/L

Protein, total, blood

Age 18-<30 y: 65-83 g/L

Age ≥30 y: 65-78 g/L

Rheumatoid factor (RF), blood

≤ 20 kIU/L

Sodium (Na), blood

136-146 mmol/L

Troponin I, blood

≤ 45 ng/L

Troponin T (TnT), blood

≤ 0.1 µg/L

Uric acid, blood

Female: 155-400 µmol/L

Male: 208-400 µmol/L

Urea, blood

2.1-8.0 mmol/L

Valproic acid, blood

350-700 µmol/L

Vitamin B12, blood

133-675 pmol/L

Vitamin D (25-hydroxyvitamin D), blood

75-250 nmol/L

Cholesterol, total, blood

3.5-5.2 mmol/L

Cholesterol, high-density lipoprotein (HDL), blood

Female: > 1.3 mmol/L

Male: > 1.0 mmol/L

Cholesterol, low-density lipoprotein (LDL), blood

Non-high-density lipoprotein (non-HDL), blood: ≤ 4.5 mmol/L

Triglycerides, blood: ≤ 1.7 mmol/L

Cardiovascular disease risk

High and intermediate

When to consider initiating treatment

LDL level of ≥ 3.5 mmol/L

Treatment target

LDL level of < 2.0 mmol/L or ≥ 50% reduction in pretherapy LDL level

Cardiovascular disease risk

Low

When to consider initiating treatment

LDL level of ≥ 5.0 mmol/L

Treatment target

≥ 50% reduction in pretherapy LDL level

Specific gravity, urine

1.005-1.030

pH, urine

5.0-8.5

Urobilinogen, urine

≤ 16.0 µmol/L

Albumin to creatinine ratio, urine

≤ 2.0 g/mol Cr

Osmolality, urine

38-1400 mOsm/kg H2O

Urine calcium (Ca), unrestricted diet, 24-h specimen

2.5-7.5 mmol/24 h

Urine chloride (Cl), 24-h specimen

110.0-250.0 mmol/24 h

Urine creatinine, weight-based, 24-h specimen

Female: 5.3-15.9 mmol/24 h

Male: 7.1-17.7 mmol/24 h