3 - 12 days
Test Updated:
Warfarin Sensitivity Analysis
WARF
Cytochrome P450 2C9 Genotyping
Vitamin K Epoxide Reductase C1 Genotyping
CYP450 Genotype
VKORC1 Genotype
CYP2C9 Genotype
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Test Overview
Real-Time Polymerase Chain Reaction (PCR) with Allelic Discrimination Analysis
This test is used for identifying patients who may require warfarin (Coumadin) dosing adjustments including: patients who are receiving warfarin for the first time; patients who have required multiple dosing adjustments to maintain the international normalized ratio (INR) in the target range; and patients with a history of thrombosis or bleeding when taking warfarin.
Interpretive report provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in a lavender top (EDTA) tube. Send intact specimen at room temperature within 24 hours of collection
