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At a Glance
Why Get Tested?
To help evaluate your likely response to the antiplatelet drug clopidogrel by detecting variations in the gene (CYP2C19) that codes for one of the enzymes that metabolizes the drug; clopidogrel is prescribed for people who are at risk of a heart attack or stroke to help prevent harmful blood clots from forming.
When to Get Tested?
A health practitioner might order this test prior to prescribing clopidogrel for you or during the initial treatment phase and sometimes when you are taking clopidogrel and are not responding as expected.
A blood sample drawn from a vein in your arm
Test Preparation Needed?