What is the Factor V Leiden test?
Factor V Leiden test is used to diagnose the abnormal form of Factor V. Factor V Leiden is a mutated variant of Factor V that helps in the normal blood clotting process after an injury. When you have Factor V Leiden mutation, it blocks the clotting ability of factor V, leading to unregulated coagulation of blood. This causes clot formation in the veins, leading to embolism and thrombosis in the body. Factor V Leiden is a common genetic mutation among the European population. It is named Leiden, after a Dutch city where it was first identified.