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Factor VIII Assay
Alternate Names : Plasma Factor VIII Antigen
Definition Factor VIII assay is a blood test to measure the activity of factor VIII (one of the proteins important for coagulation).
Why is the Test Performed?
Plasma factor VIII is usually measured to diagnose or monitor treatment for hemophilia. This test may be used to detect the specific cause of excessive bleeding (decreased blood clotting).
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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• Normal Values
• What do Abnormal Results Mean?
• Special Considerations
• Risks
Topics that might be of interest to you Diseases & Conditions
• Blood Clots
• DIC (Disseminated Intravascular Coagulation)
• Factor XII (Hageman Factor) Deficiency
• Hemophilia
• Hemophilia A
• Von Willebrand's Disease
Tests & Exams
• Antithrombin III
• Fibrinogen
Review Date : 7/31/2003
Reviewed By : Corey Cutler, M.D., M.P.H., F.R.C.P.C, Department of Medical Oncology, Dana-Farber Cancer Institute; Instructor in Medicine, Harvard University, Boston, MA. Review provided by VeriMed Healthcare Network
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