3B11.0 Haemophilia B

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01


Haemophilia B is a form of haemophilia characterised by spontaneous or prolonged haemorrhages due to factor IX deficiency. Depending on the extent of the factor IX deficiency, it can be severe (biological activity of factor IX below 1%), moderately severe (activity of factor IX between 1% and 5%), or mild (activity of factor IX between 5 and 40%).

inclusions

postcoordination

Add Stem and/or Extension codes to form a cluster code which adds detail to the condition.

Has severity  - only one may be selected

synonyms

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