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Ovid: Oxford Handbook of General Practice

Editors: Simon, Chantal; Everitt, Hazel; Kendrick, Tony Title: Oxford Handbook of General Practice, 2nd Edition Copyright ©2005 Oxford University Press > Back of Book > Appendices Appendices P.1086
Reference intervals These are guides only—different labs use different ranges. Pregnant women and children also have different normal ranges—consult the lab.

Biochemistry   Reference interval
Sodium P 135-145mmoVL
Potassium P 3.5-5.0mmol/L
Bicarbonate P q34-31mmopl/L
Creatinine P 60-125µmol/L
Calcium (total) P 2.15-2.55mmol/L
Urea P 3.0-6.5mmol/L
Osmolality P 280-295mosml/kg
Creatinine kinase (CK) P ♂ 25–195iu/L
♀ 25-17Oiu/L
Troponin l P <0.15µg/L; Frank Ml>1.5Ug/L
Phosphate (inorganic) P 0.7-1.5mmol/L
Amylase P 70-330u/dL
Protein (total) P 63-80g/L
Albumin P 32-47g/L
Bilirubin P 0-17 umol/L
Alkaline phosphatase p 100-300u/L
Aspartate transaminase (AST) P 5-42iu/L
Alanine aminotransferase (ALT) P 5-42iu/L
Alanin aminotransferase (ALT) P 5-42iu/L
Gamma-glutamyl transpeptidase (GGT, γGT) P ♂ 10-46iu/L
♀ 6-29iu/L
Uric acid P ♂ 0.15-0.45mmol/L
♀ 0.12-0.36µmol/L
Glucose (fasting) P 4.0-6.0mml/L(p.404)
HBA1c P 5-8%
Cholesterol P ldeallyu <5.3mmol/L (p.322)
Triglyceride P <2.1mmol/L (p.322)
Iron S ♂ 14-33umol/L ♀ 11-28umol/L
Ferritin P 10-120ug/L pre-menopausal;♀ 14-20ug/L post-menopausal ♀ & ♂
Folate S/ 3-17ug/L
Luteinizing hormone (LH) p 0.8-12u/L
Follicle stimulating hormone (FSH) P/S 0.8-11.5u/L
>30/L post menopause
Prolactin P ♂ <450u/L
♀ <600u/L
Prostate specific antigen (PSA) P <50y. 0-2.5ug/L
50-59y. 0-3.5 ug/L
60-69y. 0-4.5ug/L
Thyroxine (free T4) P 8-22pmol/L
TSH P 0.35-5.5miU/L
P=plasma (e.g. heparin bottle); S = serum (clotted—no anticoagulant)
Haematology Reference interval  
Haemoglobin ♂ 13.0-17og/L
♀ 112.0-15.Og/L
Red cell count (RCC) ♂ 4.5-5.5X1012/L
Erythocytes ♀ 3.8-4.8012/L
Packed cell volume (PCV) or haematocrit ♂ 0.40-0.580L/L
♀ 0.36-0.46L/L
Mean cell volume (MCV) 80-100fL
Mean cell haemoglobin (MCH) 32.0-36.0g/dl
White cell count (WCC) 4.0-11.0 × 109/L
Neutrophils 2.0-7.5 × 109/L; 40-75%WCC
Lymphocytes 1.5-4.0 × 109/L; 20-45%Wccc
Eosinophils 0.04-0.50 × 109/L; 1-6% WCC
Basophils 0.02-0.10 × 109/L; 0-1%WCC
Monocytes 0.2-1.0 × 109/L; 2-10% WCC
Platelet count 150-400 × 109/L  
Reticulocyte count ♂25-135 × 09
♀ 20-120 × 09/L
0.5-2.5%*
Erythrocyte sedimentation rate (ESR) (p.303)
<50y. ♂ 10mm, ♀ 19mm
51-60y. ♂ 12mm, ♀ 19mm
61-70y. ♂ 4mm, ♀n 20mm
>70y. ♂ 30mm, ♀ 35mm
International normalized ratio (INR) Therapeutic ranges (p.366)
* Only use % if red cell count is normal. Otherwise use absolute value.
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