Factor XII (Hageman factor) deficiency

Causes and Risks:
Factor XII deficiency is not associated with abnormal bleeding and is a rare disorder.

Prevention:
This is an inherited disorder; there is no known way to prevent it.

Symptoms:
Note: There are usually no symptoms.

Signs and Tests:



Treatment:
Treatment is generally unnecessary.

Prognosis:
The outcome is expected to be good even without treatment.

Complications:
There are usually no complications.

Call Your Healthcare Provider:
(This condition is usually discovered by the health care provider when prolonged clotting is noticed in the process of running other laboratory tests).