Haemoglobin measurement is part of the full blood count (FBC) (which is requested for many different reasons), especially when your doctor suspects anaemia, and sometimes as part of a general health screen). It is often requested before operations to make sure you are fit for surgery and do not require a transfusion. The test is also repeated to monitor bleeding or response to treatment of various anaemias.
Normal values in an adult are approximately 120 to 180 grams per litre (12 to 18 g/dL) of blood but are influenced by the age, sex and ethnic origin in the person. Above-normal haemoglobin levels may be the result of:
This article was last reviewed on 18 November 2010. | This article was last modified on 25 March 2013.
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