Factor XI
| About This Test |
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Department: Haematology Requirement: COAGULATION TUBES MUST BE FILLED TO LINE. Specialist coagulation testing, would not normally be requested as a first line test
Turnaround Time: Up to 2 weeks if non-urgent |
Factor XI is a serine protease active in the coagulation cascade.
Factor XI deficiency (haemophilia C) is very rare and is seen mainly in Ashkenazi Jews.
Requests must be vetted by a Consultant Haematologist or Paediatrician
Other Comments:
Reference range: 70-150 IU/dL