Laboratory Values
These vary. Please double-check with your local laboratory.
From Kumar P, Clark M (eds) Kumar and Clark’s Clinical Medicine, 9th edition (Elsevier 2016), with
permission.
Haematology
 Haemoglobin
        Male     135–177 g/L
        Female 115–155 g/L
 Mean corpuscular haemoglobin (MCH) 27–32 pg
 Mean corpuscular haemoglobin concentration (MCHC) 320–360 g/L Mean
 corpuscular volume (MCV) 80–96 fL
 Packed cell volume (PCV) or haematocrit Male
                 0.40–0.54 L/L
        Female 0.37–0.47 L/L
 White blood count (WBC) 4–11 x 109/L Basophil
        granulocytes 0.01–0.1 x 109/L
        Eosinophil granulocytes 0.04–0.4 x 109/L
        Lymphocytes 1.5–4.0 x 109/L
        Monocytes 0.2–0.8 x 109/L
        Neutrophil granulocytes 2.0–7.5 x 109/L
 Platelet count 150–400 x 109/L
 Serum B12 160–925 ng/L (150–675 pmol/L)
 Serum folate 4–18 μg/L (5–63 nmol/L) Red
 cell folate 160–640 μg/L Reticulocyte
 count 50–100 x 109/L
 Erythrocyte sedimentation rate (ESR) <15 mm in 1 hour
 Plasma viscosity 1.5–1.72 mPa.s
Coagulation
 Activated partial thromboplastin time (APTT) 26–37s
 Prothrombin time 11.5–13.5 s
 International Normalized Ratio (INR) 1.0–1.3
 D-dimer <500 μg/L pulmonary embolism unlikely
Biochemistry
(serum/plasma in alphabetical order)
Alanine aminotransferase (ALT) <40 U/L
Albumin 35–50 g/L
Alkaline phosphatase 39–117 U/L
Amylase 25–125 U/L
Angiotensin-converting enzymes 10–70 U/L
α1-antitrypsin 2–4 g/L
Aspartate aminotransferase (AST) 12–40 U/L
Bilirubin <17 μmol/L (0.3–1.5 mg/dL)
BNP threshold 100 pg/mL
Caeruloplasmin 1.5–2.9 μmol/L
Calcium 2.20–2.67 mmol/L (8.5–10.5 mg/dL)
Chloride 98–106 mmol/L
Complement
           C3   0.75–1.65 g/L
           C4   0.20–0.60 g/L
Copper 11–20 μmol/L (100–200 mg/dL)
C-reactive protein <5 mg/L
Creatinine 79–118 μmol/L (0.6–1.5 mg/dL)
Creatine kinase (CPK)
           Female 20–170 U/L
           Male 30–200 U/L
CK-MB fraction 0–7 U/L (<6% of total activity)
Ferritin
           Female 15–200 μg/L
           Post menopausal 4–230 μg/L
           Male 30–300 μg/L
α-fetoprotein <10 k U/L
Fructosamine up to 285 μmol/L
Gamma-glutamyl transpeptidase (γ-GT)
           Male 11–58 U/L
           Female 7–32 U/L
Glucose (fasting) 4.5–5.6 mmol/L (70–110 mg/dL)
Glycosylated (glycated) haemoglobin (HbA1c) 20–40 mmol/mol (4–5.9%)
Immunoglobulins (11 years and over)
        lgA 0.8–4 g/L
        lgG 5.5–16.5 g/L
        lgM 0.4–2.0 g/L
Iron 13–32 μmol/L (50–150 μg/dL)
Iron binding capacity (total) (TIBC) 42–80 μmol/L (250–410 μg/dL
Lactate 0.6–2.4 mmol/L
Lactate dehydrogenase 240–480 U/L
Magnesium 0.7–1.1 mmol/L
β2-microglobulin 1.0–3.0 mg/L
Osmolality 275–295 mOsm/kg
Phosphate 0.8–1.5 mmol/L
Potassium 3.5–5.0 mmol/L
Prostate-specific antigen (PSA) up to 4.0 μg/L
Protein (total) 62–77 g/L
Sodium 135–146 mmol/L
Tryptase <13 ng/mL
Urate 0.18–0.42 mmol/L (3.0–7.0 mg/dL)
Urea 2.5–6.7 mmol/L (8–25 mg/dL)
Vitamin A 0.5–2.01 μmol/L
Vitamin D (seasonal variation) 25-hydroxy 37–200 nmol/L (0.15–0.80 ng/L)
Zinc 11–24 μmol/L
Lipids and Lipoproteins
Cholesterol 3.5–6.5 mmol/L (ideal <5.2 mmol/L)
HDL cholesterol
        Male 0.8–1.8 mmol/L
        Female 1.0–2.3 mmol/L
LDL cholesterol <4.0 mmol/L (ideal <2 mmol/L)
Lipids (total) 4.0–10.0 g/L
Lipoproteins
        VLDL 0.128–0.645 mmol/L
        LDL 1.55–4.4 mmol/L
        HDL
                Male 0.70–2.1 mmol/L
                Female 0.50–1.70 mmol/L
Phospholipid 2.9–5.2 mmol/L
Triglycerides
        Male 0.70–2.1 mmol/L
        Female 0.50–1.70 mmol/L
Thyroid function tests
Thyroxine (free T4) 9–21 pmol/L
Tri-iodothyronine (free T3) 0.9–2.4 nmol/L
Thyroid stimulating hormone 0.2–4.5 mU/L
Blood Gases (Arterial)
PaCO2 4.8–6.1 kPa (36–46 mmHg)
PaO2 10.6–13.3 kPa (80–100 mmHg)
[H ] 35–45 nmol/L
  +
pH 7.35–7.45
Bicarbonate 22–26 mmol/L
Urine Values
Calcium 7.5 mmol per 24h or less (<300 mg daily)
Copper 0.2–1.0 μmol per 24h (15-40 mg/24h)
Creatinine 0.13–0.22 mmol per kilogram body weight, per day
5-hydroxyindole acetic acid (5HIAA) <47 μmol daily; amounts lower in females than males
Protein (quantitative) <0.15 g per 24 hours
Sodium 60–180 mmol per 24 hours
Serum/Urine Values
eGFR
        Male 90–140 mL/min
        Female 80–125 mL/min
Albumin mg/Creatinine mmol (ACR)
        Female <3.5
        Male < 2.5