Laboratory reference values

The reference values and ranges for these blood tests are given in the system of international units (SI) and may vary from laboratory to laboratory. An asterisk (*) indicates that paediatric reference ranges differ from the adult range given.

Electrolytes/renal

Sodium

(135-145 mmol/L)

*Potassium

(3.5-5.0 mmol/L)

Chloride

(95-107 mmol/L)

Bicarbonate

(23-32 mmol/L)

Urea

(2.5-8.0 mmol/L)

Creatinine

(M 0.04-0.13, F 0.04-0.1 mmol/L)

*Calcium

(2.10-2.60 mmol/L)

Phosphate

(0.90-1.35 mmol/L)

*Magnesium

(0.65-1.30 mmol/L)

*Uric acid

(M 0.17-0.45, F 0.12-0.40 mmol/L)

Liver function/pancreas

*Bilirubin (total)

(< 19 •mol/L)

*Bilirubin (direct)

(< 3 •mol/L)

*AST

(< 40 U/L)

*GGT

(F < 45; M < 65 U/L)

*Alkaline phos

(< 120 U/L)

Total protein

(60-80 g/L)

Albumin

(38-50 g/L)

Amylase

(30-110 U/L)

Therapeutic drugs

*Digoxin

(Ther. 1.3-2.6 nmol/L)

*Phenytoin

(Ther. 40-80 •mol/L)

*Valproate

(Ther. 300-700 •mol/L)

*Carbamazepine

(Ther. 10-50 •mol/L)

Gentamicin (pre)

(< 2.0 •g/mL)

Gentamicin (post)

(< 12.0 •g/mL)

Lithium

Cardiac/lipids

*AST CK (total) CK-MB *Cholesterol triglycerides HDL cholesterol LDL cholesterol Thyroid tests Free T-4 *Ultra sens TSH Free T-3

Other endocrine tests s Cortisol 8 am s Cortisol 4 pm

FSH adult

FSH ovulation

FSH post menopausal

Oestradiol menopausal

Testosterone

Tumour markers

CA 125

Iron studies

Ferritin Iron

Iron binding capacity

Blood gases/arterial

(< 40 U/L (F < 200; M < 300 U/L (< 25 U/L (< 5.5 mmol/L (< 2.0 mmol/L (> 1.00 mmol/L (< 3.5 mmol/L

(130-700 nmol/L (80-350 nmol/L (1.9 IU/L (10-30 IU/L (4-200 IU/L (< 200 pmol/L (M 10-35 F < 3.5 nmol/L

(0-4.0 •g/L (< 7.5 •g/L (< 10 •g/mL (< 35 U/mL

*pO2 *pCO2

*Bicarbonate *Base excess Glucose Glucose (fasting) Glucose (random) Hb A1c Haematology *Hb

Reticulocytes *Leucocytes Platelets ESR

Paul Bunnell (IM test)

*Brand neutro

*Mature neutro

*Lymphocytes

*Monocytes

*Eosinophils

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