G9661 – 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

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Carrier judgment

HCPCS codeG9661
Long description
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
Short description
Pt >= 86 w/ hi risk
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined codes
Added
January 1, 2016
Last change
January 1, 2021 – No change

Frequently asked questions

What is HCPCS code G9661?

G9661 is a HCPCS Level II 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.

Does Medicare cover G9661?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.