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Factor V Leiden Mutation
and PT 20210 Mutation

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Also known as: Activated Protein C Resistance; APC Resistance; Factor V R506Q; PT G20210A; Factor II 20210; Factor II Mutation
Formal name: Factor V Leiden Mutation; Prothrombin 20210 Mutation
Related tests: Antithrombin; Protein C and Protein S; Homocysteine; MTHFR Mutation; Factor V R2 A4070G Mutation

At a Glance

Why Get Tested?

To determine whether you have an inherited gene mutation that increases your risk of developing a blood clot, including a deep venous thrombosis (DVT) and/or venous thromboembolism (VTE)

When to Get Tested?

When you have had an unexplained blood clot (thrombotic episode), especially when you are less than 50 years old, have recurrent DVT or VTE episodes, experienced DVT or VTE during pregnancy, had DVT at unusual sites, or have a strong family history of thrombosis

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?