G0104 Ca screen;flexi sigmoidscope
Also known as: flex sigmoidoscopy screening, flexible sig
Colorectal cancer screening using flexible sigmoidoscopy, allowing visualization of the rectum and lower colon to detect polyps, masses, or other abnormalities.
In Plain Language
Flexible tube exam of lower intestines; Bowel cancer screening test
Clinical Context
Preventive screening for colorectal cancer in asymptomatic, average-risk individuals. Allows direct visualization and biopsy of lesions; no anesthesia required.
RVU Breakdown
| Work RVU | 0.82 |
| Total RVU | 0.82 |
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 0.82, this code ranks in the 44th percentile among G Codes codes — 1.2x below the median (0.97). The highest wRVU in this category is 20.41.
Specialties
Frequently Asked Questions
What is CPT code G0104?
CPT G0104 (Ca screen;flexi sigmoidscope) is a G Codes code. Colorectal cancer screening using flexible sigmoidoscopy, allowing visualization of the rectum and lower colon to detect polyps, masses, or other abnormalities.
Who uses CPT code G0104?
CPT G0104 is used by Gastroenterology, Preventive Medicine, General Surgery. Preventive screening for colorectal cancer in asymptomatic, average-risk individuals. Allows direct visualization and biopsy of lesions; no anesthesia required.
When is CPT G0104 used?
Preventive screening for colorectal cancer in asymptomatic, average-risk individuals. Allows direct visualization and biopsy of lesions; no anesthesia required.
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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.