K57.50 — Diverticulosis of both small and large intestine without perforation or abscess without bleeding
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- The medical record must document the medical reasonableness, necessity, and clinical frequency of the diagnostic colonoscopy or sigmoidoscopy and be available to the Contractor upon request.
- Documentation must indicate the precise areas scoped and the depth reached during colonoscopy.
- Refer to associated LCD L34614 and Medicare IOM for additional coverage and documentation guidance for colorectal cancer screening procedures.
- This billing and coding article provides guidelines that complement Local Coverage Determination L34415 for CT of the abdomen and pelvis; consult LCD L34415 for specific coverage indications, limitations, and documentation requirements.
Key Coverage Criteria
- Diagnostic colonoscopy or sigmoidoscopy is covered to directly visualize the lower gastrointestinal tract (colon, rectum, sigmoid) to detect polyps, tumors, or other intestinal lesions.
- Diagnostic colonoscopy is covered when identification of the site of pathology and/or obtaining a biopsy during the procedure is clinically indicated.
- A follow-on screening colonoscopy is covered after a positive covered blood-based biomarker noninvasive colorectal cancer (CRC) screening test per NCD 210.3, effective 2025-01-01.
- Colonoscopy/sigmoidoscopy/proctosigmoidoscopy is covered for surveillance of colonic neoplasia in patients with a history of colorectal cancer or colonic polyps.
- A follow-up procedure is covered 1 year after surgery for treatment of colorectal cancer when the patient is identified as high-risk for colon cancer and is eligible for continued screenings.
- A colonoscopy may be billed when a sigmoidoscope is used only if the bowel is sufficiently short that the entire colon can be examined and this fact is clearly documented in the clinical record.
12 Active Policies
L34614 — Colonoscopy and Sigmoidoscopy-Diagnostic
J05
A56394 — Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
J05
A56456 — Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
A56632 — Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
A57342 — Billing and Coding: Diagnostic and Therapeutic Colonoscopy
Related Codes
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