45330 Diagnostic sigmoidoscopy
Also known as: sigmoidoscopy, rigid proctosigmoidoscopy, lower bowel scope
Diagnostic sigmoidoscopy (visual examination of sigmoid colon) via rigid or flexible endoscope without therapeutic intervention.
In Plain Language
camera examination of lower colon; viewing the sigmoid colon; screening scope of lower intestine
Clinical Context
Performed for evaluation of lower gastrointestinal symptoms, screening for colorectal cancer, or surveillance of known colonic pathology.
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
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 0-day global period, meaning pre- and post-operative E&M visits are billable separately on the same day. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 0.82, this code ranks in the 3rd percentile among Surgery codes — 9.8x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 45330?
CPT 45330 (Diagnostic sigmoidoscopy) is a Surgery code. Diagnostic sigmoidoscopy (visual examination of sigmoid colon) via rigid or flexible endoscope without therapeutic intervention.
What is the wRVU value for CPT 45330?
The work RVU for CPT 45330 is 0.82. This code is primarily used by Colorectal Surgery, Gastroenterology, General Surgery.
When is CPT 45330 used?
Performed for evaluation of lower gastrointestinal symptoms, screening for colorectal cancer, or surveillance of known colonic pathology.
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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.