K50.10
BillableCrohn's disease of large intestine without complications
HCC Category Mapping
V28HCC 80 — Crohn's Disease
0.000V24HCC 35 — Inflammatory Bowel Disease
0.289ESRDHCC 35 — Inflammatory Bowel Disease
0.000RxHCCHCC 67 — Inflammatory Bowel Disease
0.000What This Code Means
Crohn's disease affecting the large intestine (colon) without any complications.
Coding Tips
- •This code is for uncomplicated Crohn's disease limited to the large intestine
- •If complications are present, use the appropriate K50.11x code
Clinical Significance
Crohn's disease of the large intestine without complications (also known as Crohn's colitis or granulomatous colitis) affects the colon and requires differentiation from ulcerative colitis. Large intestine Crohn's disease carries unique risks including toxic megacolon and colorectal cancer surveillance needs. The distinction from ulcerative colitis is critical as treatment approaches and surgical options differ significantly.
Documentation Requirements
- ✓Provider documentation explicitly stating Crohn's disease affecting the large intestine (colon)
- ✓Differentiation from ulcerative colitis documented (histology, skip lesions, transmural inflammation)
- ✓Confirmation that no current complications exist
- ✓Disease activity status and current treatment regimen
- ✓Colonoscopic surveillance schedule documentation
- ✓Method of diagnosis (colonoscopy with biopsy preferred)
Commonly Confused Codes
K51.00 — Ulcerative pancolitis without complications: ulcerative colitis, not Crohn's diseaseK50.00 — Crohn's disease of small intestine without complications: small intestine, not largeK50.80 — Crohn's disease of both small and large intestine without complications: involves both sitesK50.90 — Crohn's disease, unspecified, without complications: site unspecifiedK50.111-K50.119 — Crohn's disease of large intestine with complications: use when any complication is present
Code Hierarchy
└K50Crohn's disease [regional enteritis]└K50.1Crohn's disease of large intestine└K50.10Crohn's disease of large intestine without complications
└K50.10Crohn's disease of large intestine without complications