See Also: christmas factor assay(medicine)
factor II assay(medicine)
factor ix assay(medicine)
factor vii assay(medicine)
factor x assay(medicine)
Christmas factor(medicine)
factor xii assay(medicine)
factor v assay(medicine)
factor viii assay(medicine)
Hageman factor assay(medicine)

christmas factor assay (medicine)


christmas factor assay


A test used to measure the activity of a blood clotting factor IX (Christmas factor). This test may be used to evaluate excessive bleeding. Abnormally low factor IX assays may be seen in the following conditions: congenital deficiency of factor IX, fat malabsorption, heparin administration, cirrhosis, vitamin K deficiency and warfarin administration.