G9143 HCPCS Level II code: Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)
G9143 is the HCPCS code for “Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9143Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)
Short description: Warfarin respon genetic test
HCPCS · United States
Medicare details
The indicators CMS publishes with G9143 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion); Clinical lab fee schedule – Price subject to national limitation amount
- Type of service
- Medical care
- BETOS category
- Specialist - other
- Lab certification
- General immunology; Hematology
- Added
- Aug 3, 2009
Where G9143 sits
- 1G codesProcedures and professional services
- 2Active code G9143Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code G9143 mean?
G9143 is the HCPCS code for “Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9143?
CMS lists G9143’s Medicare coverage as “Carrier judgment” and its pricing as “Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion); Clinical lab fee schedule – Price subject to national limitation amount”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
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