Fibrinogen Activity Test

This test evaluates how effectively fibrinogen, a protein made in the liver, converts to fibrin to form stable blood clots. It helps determine whether clotting problems are related to too little fibrinogen, impaired fibrinogen function, or excessive breakdown of clotting factors. Low fibrinogen can be seen in severe liver dysfunction, active bleeding, or conditions like DIC. Elevated levels may occur with inflammation, infection, pregnancy, or increased risk for abnormal clotting. Healthcare providers use this test to investigate unusual bleeding or clotting, monitor known coagulation disorders, or track liver disease and treatment response.