Warfarin Response Genotype

Test ID: ZH248

CPT code:
LOINC:
Specimen Type: Whole Blood LAV EDTA
Frequency: Setup Mon-Fri; analytic time: 3 days
Instructions: 3mLs whole blood LAV EDTA. Ambient. Invert several times to mix blood. Send specimen in original tube. Min. 0.4mL.
Text: USEFUL FOR: Identifying patients who may require warfarin dosing adjustments including:
-Patients being started on a first prescription for warfarin
-Patients who have previously been prescribed warfarin and have required multiple dosing adjustments to maintain the international normalized ratio in the target range
-Patients with a history of thrombosis or bleeding when taking warfarin

COMPONENTS: Z7357 CYP2C9 GENOTYPE, Z7358 VKORC1 GENOTYPE, Z7359 ADDITIONAL VKORC1 VARIANTS, Z7360 CYP4F2*3 GENOTYPE, Z7361 INTERPRETATION, Z7363 ADDITIONAL INFORMATION, Z7364 METHOD, Z7365 DISCLAIMER, Z7366 REVEIWED BY
Methodology: Real-Time Polymerase Chain Reaction (PCR) with Allelic Discrimination Analysis

Test Name


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