HCPCS Level II · Procedures and professional services (temporary)
G9089Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
✓ Active
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G9089
G9089 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project).
It was added to HCPCS effective 01/01/2006, and its current record took effect 01/01/2007.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Onc dx colon extent unknown
- Date added
- 01/01/2006
- Action effective
- 01/01/2007
- BETOS
- P7B
Related G90xx codes
- G9001Coordinated care fee, initial rate
- G9002Coordinated care fee, maintenance rate
- G9003Coordinated care fee, risk adjusted high, initial
- G9004Coordinated care fee, risk adjusted low, initial
- G9005Coordinated care fee, risk adjusted maintenance
- G9006Coordinated care fee, home monitoring
- G9007Coordinated care fee, scheduled team conference
- G9008Coordinated care fee, physician coordinated care oversight services
- G9009Coordinated care fee, risk adjusted maintenance, level 3
- G9010Coordinated care fee, risk adjusted maintenance, level 4
- G9011Coordinated care fee, risk adjusted maintenance, level 5
- G9012Other specified case management service not elsewhere classified
Common questions about G9089
Is HCPCS G9089 still valid?
- Yes. G9089 is active in the CMS October 2026 HCPCS file.
Does Medicare cover G9089?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.