Chemistry	Range (UK)	Range (US)
Serum Sodium	137 - 144 mmol/L	137 - 144 mEq/L
Serum Potassium	3.5 - 4.9 mmol/L	3.5 - 4.9 mEq/L
Serum Chloride	95 - 107 mmol/L	95 - 107 mEq/L
Serum Bicarbonate	20 - 28 mmol/L	20 - 28 mEq/L
Anion Gap	12 - 16 mmol/L	12 - 16 mEq/L
Serum Urea	2.5 - 7.5 mmol/L	7 - 21 mg/dL
Serum Creatinine	60 - 110 micromol/L	0.7 - 1.2 mg/dL
Serum Corrected Calcium (Ca²⁺)	2.2 - 2.6 mmol/L	8.5 - 10.2 mg/dL
Serum Phosphate	0.8 - 1.4 mmol/L	2.5 - 4.5 mg/dL
Serum Total Protein	61 - 76 g/L	6.1 - 7.6 g/dL
Liver Tests	Range (UK)	Range (US)
Serum Albumin	37 - 49 g/L	3.7 - 4.9 g/dL
Serum Total Bilirubin	1 - 22 micromol/L	0.1 - 1.3 mg/dL
Serum Conjugated Bilirubin	0 - 3.4 micromol/L	0 - 0.2 mg/dL
Serum Alanine Aminotransferase (ALT)	5 - 35 U/L	5 - 35 U/L
Serum Aspartate Aminotransferase (AST)	1 - 31 U/L	1 - 31 U/L
Serum Alkaline Phosphatase (ALP)	45 - 105 U/L	45 - 105 U/L
Serum Gamma-Glutamyl Transferase (GGT)	4 - 35 U/L	4 - 35 U/L
Cardiac Biomarkers	Range (UK)	Range (US)
Serum Creatine Kinase (Male)	24 - 195 U/L	24 - 195 U/L
Serum Creatine Kinase (Female)	24 - 170 U/L	24 - 170 U/L
Creatine Kinase MB Fraction	< 5%	< 5%
Serum Troponin I	0 - 0.4 mcg/L	0 - 0.4 ng/mL
Serum Troponin T	0 - 0.1 mcg/L	0 - 0.1 ng/mL
Other	Range (UK)	Range (US)
Serum Copper	12 - 26 micromol/L	75 - 155 mcg/dL
Serum Magnesium	0.75 - 1.05 mmol/L	1.8 - 2.6 mg/dL
CSF	Range (UK)	Range (US)
Opening Pressure	50 - 180 mm H₂O	50 - 180 mm H₂O
Urine/Renal	Range (UK)	Range (US)
Glomerular Filtration Rate (GFR)	70 - 140 mL/min	70 - 140 mL/min
Lipids	Range (UK)	Range (US)
Serum Cholesterol	< 5.2 mmol/L	< 200 mg/dL
Serum LDL Cholesterol	< 3.36 mmol/L	< 130 mg/dL
Serum HDL Cholesterol	> 1.55 mmol/L	> 60 mg/dL
Tumor Markers	Range (UK)	Range (US)
Serum CA 125	< 35 U/mL	< 35 U/mL
Serum CA 19-9	< 33 U/mL	< 33 U/mL

Adrenal Steroids

Hormone	Range (UK)	Range (US)
Serum Aldosterone (Upright, 4h)	330 - 830 pmol/L	12 - 30 ng/dL
Serum Aldosterone (Supine, 30m)	135 - 400 pmol/L	5 - 14 ng/dL
Serum Cortisol (09:00h)	200 - 700 nmol/L	7 - 25 mcg/dL
Serum Cortisol (22:00h)	50 - 250 nmol/L	2 - 9 mcg/dL
Overnight Dexamethasone Test	< 50 nmol/L	< 1.8 mcg/dL
Low-Dose Dexamethasone Test	< 50 nmol/L	< 1.8 mcg/dL
Plasma 11-Deoxycortisol	24 - 46 nmol/L	0.9 - 1.7 mcg/dL

Urine Hormones

Hormone	Range (UK)	Range (US)
Aldosterone	14 - 53 nmol/24h	5 - 19 mcg/24h
Cortisol	55 - 250 nmol/24h	20 - 90 mcg/24h
Plasma Angiotensin II	5 - 35 pmol/L	2 - 12 pg/mL

Thyroid Hormones

Hormone	Range (UK)	Range (US)
Plasma Thyroid Binding Globulin	13 - 28 mg/L	13 - 28 mg/L
Plasma Thyroxine (T4)	58 - 174 nmol/L	4.5 - 13.5 mcg/dL
Free T4	10 - 22 pmol/L	0.8 - 1.7 ng/dL
Tri-iodothyronine (T3)	1.07 - 3.18 nmol/L	70 - 230 ng/dL
Free T3	5 - 10 pmol/L	0.3 - 0.6 ng/dL

Posterior Pituitary Hormones

Hormone	Range (UK)	Range (US)
Plasma Antidiuretic Hormone (ADH)	0.9 - 4.6 pmol/L	0.9 - 4.6 pmol/L

Other Hormones

Hormone	Range (UK)	Range (US)
Plasma Parathyroid Hormone	0.9 - 5.4 pmol/L	9 - 54 pg/mL
Serum Cholecalciferol (Vitamin D3)	60 - 105 nmol/L	24 - 42 ng/mL
Plasma Calcitonin	< 27 pmol/L	< 50 pg/mL

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Biochemical Lab values

Adrenal Steroids

Urine Hormones

Thyroid Hormones

Posterior Pituitary Hormones

Other Hormones

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