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Factor IX Assay
Alternate Names : Christmas Factor Assay, Serum Factor IX
Definition This is a blood test that measures the activity of factor IX -- one of the substances involved in coagulation (blood clotting).
Why is the Test Performed?
This test is 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
• Cirrhosis
• Factor XII (Hageman Factor) Deficiency
• Hemophilia B
• Liver Disease
• Malabsorption
Tests & Exams
• Antithrombin III
• Fibrinogen
Other Topics
• Adolescent Test or Procedure Preparation
• Infant Test/Procedure Preparation
• Preschooler Test/Procedure Preparation
• Protein in Diet
• School Age Test/Procedure Preparation
• Toddler Test/Procedure Preparation
• Vitamin K
Review Date : 6/1/2003
Reviewed By : Marcia S. Brose, M.D., Ph.D., Division of Hematology/Oncology, Hospital of the University of Pennsylvania, Philadelphia, PA. Review provided by VeriMed Healthcare Network.
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