Factor II assay

Alternative names:

thrombin

Normal values:

The value should be 50 to 200% of the laboratory "control" or reference value.

What abnormal results mean:

Decreased factor II activity may occur from:

• congenital deficiency of factor II
• fat malabsorption (steatorrhea)
• heparin administration
• liver disease (such as cirrhosis)
• vitamin K deficiency
• warfarin administration

Additional conditions under which the test may be performed:

• congenital protein C or S deficiency
• DIC (Disseminated intravascular coagulation)