Factor V Leiden Mutation and
PT 20210 Mutation

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Also known as: Factor V Leiden mutation: Activated protein C (APC) resistance; Factor V R506Q; Prothrombin 20210 mutation: PT G20210A; factor II 20210
Formal name: Factor V Leiden mutation; Prothrombin G20210A mutation

At a Glance

Why Get Tested?

To determine whether you have an inherited gene mutation that increases your risk of developing a venous thromboembolism (blood clot)

When to Get Tested?

If you have a strong family history of thrombosis associated with these mutations; if you have unexplained thrombosis that requires further investigation

Sample Required?

A blood sample taken from a vein in your arm

Test Preparation Needed?

No test preparation is needed.