G9143 Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)

Short descriptor: Warfarin respon genetic test

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G9143 is the HCPCS Level II code for Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s) (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Priced by carriers (physician fee schedule).

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Priced by carriers (physician fee schedule) (indicator 13)
Type of Service
Medical care
Effective Date
2014-01-01
2026 Maintenance
No change this year

References

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G9143 — Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s). ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G9143

Canonical URL: https://icd10codingpro.com/hcpcs-codes/G9143

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

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