Wednesday, 24 June 2015

Lab values

#‎Reference‬ ranges
Reference ranges vary according to individual labs. All values are for adults unless otherwise stated
Full blood count
Haemoglobin Men: 13.5-18 g/dl Women: 11.5-16 g/dl
Mean cell volume 82-100 fl
Platelets 150-400 * 109/l
White blood cells 4-11 * 109/l|
Urea and electrolytes
Sodium 135-145 mmol/l
Potassium 3.5 - 5.0 mmol/l
Urea 2.0-7 mmol/l
Creatinine 55-120 umol/l
Bicarbonate 22-28 mmol/l
Chloride 95-105 mmol/l
Liver function tests
Bilirubin 3-17 umol/l
Alanine transferase (ALT) 3-40 iu/l
Aspartate transaminase (AST) 3-30 iu/l
Alkaline phosphatase (ALP) 30-100 umol/l
Gamma glutamyl transferase (yGT) 8-60 u/l
Albumin 35-50 g/l
Total protein 60-80 g/l
Other haematology
Erythrocyte sedimentation rate (ESR) Men: < (age / 2) mm/hr Women: < ((age + 10) / 2) mm/hr
Prothrombin time (PT) 10-14 secs
Activated partial thromboplastin time (APTT) 25-35 secs
Ferritin 20-230 ng/ml
Vitamin B12 200-900 ng/l
Folate 3.0 nmol/l
Reticulocytes 0.5-1.5%
D-Dimer < 400 ng/ml
Other biochemistry
Calcium 2.1-2.6 mmol/l
Phosphate 0.8-1.4 mmol/l
CRP < 10 mg/l
Thyroid stimulating hormone (TSH) 0.5-5.5 mu/l
Free thyroxine (T4) 9-18 pmol/l
Total thyroxine (T4) 70-140 nmol/l
Amylase 70-300 u/l
Uric acid 0.18-0.48 mmol/l
Arterial blood gases
pH 7.35 - 7.45
pCO2 4.5 - 6.0 kPa
pO2 10 - 14 kPa
Lipids
Desirable lipid values depend on other risk factors for cardiovascular disease, below is just a guide:
Total cholesterol < 5 mmol/l
Triglycerides < 2 mmol/l
HDL cholesterol > 1 mmol/l
LDL cholesterol < 3 mmol/l

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