Factor II (prothrombin) is a vitamin K-dependent serine protease synthesized in liver. It participates in the final common pathway of coagulation, as the substrate for the prothrombinase enzyme complex. Prothrombin is the precursor of thrombin (IIa) which converts fibrinogen to fibrin.
Inform your doctor if you are on any medications, have any allergies or underlying medical conditions before your Factor II Assay. Your doctor will give specific instructions depending on your condition on how to prepare for Factor II Assay.
Stop Warfarin Anticoagulant 10 to 14 days before your test.
| Gender | Age groups | Value |
| UNISEX | > 18 years | 75 - 145% |