K51.80
BillableOther ulcerative colitis without complications
HCC Category Mapping
V28HCC 81 — Ulcerative Colitis
0.000V24HCC 35 — Inflammatory Bowel Disease
0.289ESRDHCC 35 — Inflammatory Bowel Disease
0.000RxHCCHCC 67 — Inflammatory Bowel Disease
0.000What This Code Means
A form of ulcerative colitis affecting areas of the colon other than the left side, without any complications.
Coding Tips
- •Confirm that the colitis is not limited to the left side, rectum, or proctosigmoid region
- •Verify no complications are present; if complications exist, use a more specific code from K51.81x series
Clinical Significance
Other ulcerative colitis without complications captures forms of ulcerative colitis that do not fit the standard anatomic classifications of pancolitis, proctitis, rectosigmoiditis, left-sided colitis, or inflammatory polyps. This may include atypical distributions or presentations that still meet the diagnostic criteria for ulcerative colitis.
Documentation Requirements
- ✓Confirmed ulcerative colitis diagnosis via colonoscopy and biopsy
- ✓Documentation of the specific extent or type of colitis that does not fit standard subcategories
- ✓Statement confirming no complications are present
- ✓Current treatment plan and disease management approach
- ✓Colonoscopy surveillance schedule
Commonly Confused Codes
K51.80 vs K51.00/K51.20/K51.30/K51.50 — Use anatomically specific codes when extent is clearly documentedK51.80 vs K51.90 — K51.90 is ulcerative colitis unspecified; K51.80 is for identified 'other' typesK51.80 vs K52.9 — K52.9 is noninfective colitis unspecified; K51.80 is specifically ulcerative colitis
Code Hierarchy
└K51Ulcerative colitis└K51.8Other ulcerative colitis└K51.80Other ulcerative colitis without complications
└K51.80Other ulcerative colitis without complications