Coagulation factor B 9, Antihemophilic; Christmas factor
General information:
Deficiency testing for this factor, most patients, is an inherited disease, but spontaneous mutations are possible.
Haemophilia B is manifested by a clinic of prolonged bleeding (muscles, joints, after small cuts, dental procedures, traumas.
There are several forms of Hemophilia B:
- Light-may not be detected in early age, mild epitaxias and petechiae
- Moderate-bleeding after traumas but not spontaneous
- Severe-spontaneous, non-causal haemorrhages
In women with haemophiliacs in the family, pre-pregnancy research and consultation with a specialist is recommended.
Sample required:
Venous blood in the morning in fasting
Key words:
Antihemophilic factor B, Christmas factor