G9661 HCPCS Level II code: Patients greater than or equal to 86 years of age who received a colonoscopy for an assessment of signs/symptoms of gi tract illness, and/or because the…
G9661 is the HCPCS code for “Patients greater than or equal to 86 years of age who received a colonoscopy for an assessment of signs/symptoms of gi tract illness, and/or because the patient meets high risk criteria, and/or to…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9661Patients greater than or equal to 86 years of age who received a colonoscopy for an assessment of signs/symptoms of gi tract illness, and/or because the patient meets high risk criteria, and/or to follow-up on previously diagnosed advanced lesions
Short description: Pt >= 86 w/ hi risk
HCPCS · United States
Medicare details
The indicators CMS publishes with G9661 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2016
Where G9661 sits
- 1G codesProcedures and professional services
- 2Active code G9661Patients greater than or equal to 86 years of age who received a colonoscopy for an assessment of signs/symptoms of gi tract illness, and/or because the patient meets high risk criteria, and/or to follow-up on previously diagnosed advanced lesions
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 G9661 mean?
G9661 is the HCPCS code for “Patients greater than or equal to 86 years of age who received a colonoscopy for an assessment of signs/symptoms of gi tract illness, and/or because the patient meets high risk criteria, and/or to follow-up on previously diagnosed advanced lesions” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9661?
CMS lists G9661’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. 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.
Codes beside G9661
All G codesG9655A transfer of care protocol or handoff tool/checklist that includes the required key handoff elements is usedG9656Patient transferred directly from anesthetizing location to pacu or other non-icu locationG9657Transfer of care during an anesthetic or to the intensive care unitG9658A transfer of care protocol or handoff tool/checklist that includes the required key handoff elements is not usedG9659Patients greater than or equal to 86 years of age who underwent a screening colonoscopy and did not have a history of colorectal cancer or other valid medical reason for the…G9660Documentation of medical reason(s) for a colonoscopy performed on a patient greater than or equal to 86 years of age (e.g., iron deficiency anemia, lower gastrointestinal…G9662Previously diagnosed or have a diagnosis of clinical ascvd, including ascvd procedureG9663Any ldl-c laboratory result >= 190 mg/dlG9664Patients who are currently statin therapy users or received an order (prescription) for statin therapyG9665Patients who are not currently statin therapy users or did not receive an order (prescription) for statin therapyG9666Patient's highest fasting or direct ldl-c laboratory test result in the measurement period or two years prior to the beginning of the measurement period is 70-189 mg/dlG9667Documentation of medical reason(s) for not currently being a statin therapy user or receive an order (prescription) for statin therapy (e.g., patient with adverse effect, allergy…