G9143 Warfarin respon genetic test
Also known as: warfarin pharmacogenetic test, CYP2C9 VKORC1 testing
Pharmacogenetic testing for warfarin response (cytochrome P450 genotyping).
In Plain Language
genetic test for warfarin dosing; blood test to predict warfarin sensitivity
Clinical Context
Molecular diagnostic test to predict individual response to warfarin therapy based on cytochrome P450 and vitamin K epoxide reductase variants.
RVU Information
CPT G9143 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
Billing & Documentation
G-codes are CMS-specific HCPCS codes for services not covered by standard CPT. Documentation requirements follow the same standards as the equivalent CPT service. Check Medicare LCD/NCD policies for coverage criteria.
How This Code Compares
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the G Codes category, 85% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code G9143?
CPT G9143 (Warfarin respon genetic test) is a G Codes code. Pharmacogenetic testing for warfarin response (cytochrome P450 genotyping).
Who uses CPT code G9143?
CPT G9143 is used by Laboratory Medicine, Hematology, Pharmacogenomics. Molecular diagnostic test to predict individual response to warfarin therapy based on cytochrome P450 and vitamin K epoxide reductase variants.
When is CPT G9143 used?
Molecular diagnostic test to predict individual response to warfarin therapy based on cytochrome P450 and vitamin K epoxide reductase variants.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.