Table of Contents
- Overview
- Results
- Risks
- Prevention
Hageman factor assay
Normal Values
A normal value is 50 - 200% of the laboratory control or reference value.
Normal value ranges may vary slightly among different laboratories. Talk to your doctor about the meaning of your specific test results.
What abnormal results mean
Decreased factor XII activity may indicate:
- Inherited (congenital) deficiency of factor XII
Liver disease
Previous Section
Next Section
Factor XII assay Risks
Review Date: 02/28/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of
General Medicine, Department of Medicine, University of Washington
School of Medicine; and Yi-Bin Chen, MD, Leukemia/Bone Marrow
Transplant Program, Massachusetts General Hospital. Also reviewed
by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)
