ICD-10 Code K51.41 – Inflammatory polyps of colon with complications (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code K51.41 – Inflammatory polyps of colon with complications
What it is
K51.41 identifies inflammatory polyps of the colon when complications are documented. Use it for colon polyps related to inflammatory bowel disease, not routine adenomatous polyps.
Clinical signs
Findings may include colonoscopic evidence of inflammatory polyps, often in the setting of chronic colitis or ulcerative colitis. Clinical features vary; refer to documentation.
When to use this code
Use K51.41 when the record clearly states inflammatory polyps of the colon with complications. Apply it when the provider links the polyp finding to colonic inflammation and documents a complication. Check documentation if the note does not specify the complication or the inflammatory nature.
Do not use for
Do not use this code for benign adenomatous polyps, hyperplastic polyps, or unspecified colon polyps. Do not use it when inflammatory polyps are mentioned without colon involvement or without documented complications.
Coding tip
Code the complication only when it is explicitly documented; otherwise, query or check documentation.