Mean cell haemoglobin (MCH)
Last updated: Friday, 02, April, 2004
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5 mL blood in EDTA tube.
Part of FBC; calculated by automated and semi-automated instruments (less accurate if based on manual methods).
Arithmetically, MCH is Hb divided by RCC.
| Reference Interval|
Some variation with method.
Adult: 27-32 pg
Guide to investigation of anaemia; blood film should also be requested.
The MCH is increased in macrocytic anaemias, decreased in microcytic anaemias.
A blood film should also be requested.
Bain BJ. Blood Cells - a Practical Guide. 2nd ed. Blackwell Science 1995.