G0121 Colon ca screening not hi rsk ind
Also known as: colonoscopy average risk, screening colonoscopy
Colorectal cancer screening using colonoscopy in individuals not at high risk for colorectal cancer, allowing visualization and polypectomy in average-risk patients.
In Plain Language
Regular colon cancer screening exam; Preventive colon check
Clinical Context
Colorectal cancer screening in average-risk, asymptomatic individuals. Includes complete colonic visualization, polyp removal, and biopsy capability for lesions.
RVU Breakdown
| Work RVU | 3.18 |
| Total RVU | 3.18 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
G-codes are CMS-specific HCPCS codes for services not covered by standard CPT. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day.Documentation requirements follow the same standards as the equivalent CPT service. Check Medicare LCD/NCD policies for coverage criteria.
How This Code Compares
With a work RVU of 3.18, this code ranks in the 87th percentile among G Codes codes — 3.3x the median (0.97). The highest wRVU in this category is 20.41.
Specialties
Frequently Asked Questions
What is CPT code G0121?
CPT G0121 (Colon ca screening not hi rsk ind) is a G Codes code. Colorectal cancer screening using colonoscopy in individuals not at high risk for colorectal cancer, allowing visualization and polypectomy in average-risk patients.
Who uses CPT code G0121?
CPT G0121 is used by Gastroenterology, Preventive Medicine, General Surgery. Colorectal cancer screening in average-risk, asymptomatic individuals. Includes complete colonic visualization, polyp removal, and biopsy capability for lesions.
When is CPT G0121 used?
Colorectal cancer screening in average-risk, asymptomatic individuals. Includes complete colonic visualization, polyp removal, and biopsy capability for lesions.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.