G9143
HCPCSWarfarin respon genetic test
Official HCPCS Level II long descriptor
Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)
HCPCS Level II code G9143 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Warfarin respon genetic test
Added to HCPCS: 2009-08-03
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Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.