K51.418

HCC Category Mapping

What This Code Means

Growths in the colon caused by inflammation with a complication other than bleeding, obstruction, fistula, or abscess.

Coding Tips

• •Use this code only when a specific complication is documented but does not fit into the K51.411-K51.414 categories
• •Document the specific complication clearly in the medical record to support medical necessity and justify the use of this code

Clinical Significance

Inflammatory polyps of the colon with other complication captures complications beyond bleeding, obstruction, fistula, and abscess that accompany pseudopolyps in ulcerative colitis. This may include perforation, dysplasia, or extraintestinal manifestations that add complexity to disease management.

Documentation Requirements

• ✓Colonoscopy documenting inflammatory polyps
• ✓Clear documentation of the specific complication
• ✓Provider statement linking the complication to the inflammatory bowel disease
• ✓Treatment plan addressing both the polyps and the complication
• ✓Disease activity assessment

Commonly Confused Codes