45300 Proctosigmoidoscopy diagnosis
Also known as: proctoscopy, sigmoidoscopy, rectal exam with scope
Diagnostic proctosigmoidoscopy (visual examination of rectum and sigmoid colon) without therapeutic intervention.
In Plain Language
camera test of lower intestines; viewing the rectum and sigmoid colon; lower bowel visualization
Clinical Context
Performed for evaluation of rectal bleeding, constipation, diarrhea, abdominal pain, or screening in patients with lower gastrointestinal symptoms.
RVU Breakdown
| Work RVU | 0.78 |
| Total RVU | 0.78 |
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 0.78, this code ranks in the 3rd percentile among Surgery codes — 10.2x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 45300?
CPT 45300 (Proctosigmoidoscopy diagnosis) is a Surgery code. Diagnostic proctosigmoidoscopy (visual examination of rectum and sigmoid colon) without therapeutic intervention.
What is the wRVU value for CPT 45300?
The work RVU for CPT 45300 is 0.78. This code is primarily used by Colorectal Surgery, Gastroenterology, General Surgery.
When is CPT 45300 used?
Performed for evaluation of rectal bleeding, constipation, diarrhea, abdominal pain, or screening in patients with lower gastrointestinal symptoms.
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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.