Normal Blood Values

Haemoglobin Hb/ 11.5-16.5 g/100 ml Lower in anaemia

Normal Value 13-18 g/100 ml

Haemotocrit or PCV 37-47% Lower in in anaemia

Normal Value 40-54%

RBC count 4.2-5.4 * 10¹² litre Lower in in anaemia

Normal Value 4.2-6.1 * 10¹² /litre Lower in polycythemia

MCV = PCV 78-99 Lower in B12 or

folate deficiency

liver disease

in iron deficiency

MCH = Hb 27-31 pg Lower in in anaemia

RBC Lower in pernicious anaemia

WBC count 4-10 * 10⁹/litre

Lower in leukaemia

infection

pregnancy

Platelets 150-400 * 10⁹/litre Lower related to leukaemia, drugs infections,

autoimmune

ESR0-15 mm/h

Lower in temporal arteritis

infection

pregnancy

Bleeding time (Duke) 1-3 min

Coagulation time (Lee and White) 3-8 min

Use an EDTA tube except for ESR test which requires a citrated tube.

MCV - Mean cell volume

MCH - Mean cell haemoglobin