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81 HCC

Ulcerative Colitis

CMS Model V28 49 Associated ICD-10 Diagnoses

Relative Risk Score Factors (Coefficients for HCC 81)

Enrollment Model Type Coeff Tag Year Weight Score
CFA HCC81 2026 + 0.201
CFD HCC81 2026 + 0.286
CNA HCC81 2026 + 0.244
CND HCC81 2026 + 0.285
CPA HCC81 2026 + 0.205
CPD HCC81 2026 + 0.237
INS HCC81 2026 + 0.258

Mapped ICD-10-CM Diagnoses (49)

The following diagnoses map directly to HCC 81 under the V28 risk adjustment model:

ICD-10 Code Clinical Diagnosis Description Guideline
K51.00 Ulcerative (chronic) pancolitis without complications Notes ↗
K51.011 Ulcerative (chronic) pancolitis with rectal bleeding Notes ↗
K51.012 Ulcerative (chronic) pancolitis with intestinal obstruction Notes ↗
K51.013 Ulcerative (chronic) pancolitis with fistula Notes ↗
K51.014 Ulcerative (chronic) pancolitis with abscess Notes ↗
K51.018 Ulcerative (chronic) pancolitis with other complication Notes ↗
K51.019 Ulcerative (chronic) pancolitis with unspecified complications Notes ↗
K51.20 Ulcerative (chronic) proctitis without complications Notes ↗
K51.211 Ulcerative (chronic) proctitis with rectal bleeding Notes ↗
K51.212 Ulcerative (chronic) proctitis with intestinal obstruction Notes ↗
K51.213 Ulcerative (chronic) proctitis with fistula Notes ↗
K51.214 Ulcerative (chronic) proctitis with abscess Notes ↗
K51.218 Ulcerative (chronic) proctitis with other complication Notes ↗
K51.219 Ulcerative (chronic) proctitis with unspecified complications Notes ↗
K51.30 Ulcerative (chronic) rectosigmoiditis without complications Notes ↗
K51.311 Ulcerative (chronic) rectosigmoiditis with rectal bleeding Notes ↗
K51.312 Ulcerative (chronic) rectosigmoiditis with intestinal obstruction Notes ↗
K51.313 Ulcerative (chronic) rectosigmoiditis with fistula Notes ↗
K51.314 Ulcerative (chronic) rectosigmoiditis with abscess Notes ↗
K51.318 Ulcerative (chronic) rectosigmoiditis with other complication Notes ↗
K51.319 Ulcerative (chronic) rectosigmoiditis with unspecified complications Notes ↗
K51.40 Inflammatory polyps of colon without complications Notes ↗
K51.411 Inflammatory polyps of colon with rectal bleeding Notes ↗
K51.412 Inflammatory polyps of colon with intestinal obstruction Notes ↗
K51.413 Inflammatory polyps of colon with fistula Notes ↗
K51.414 Inflammatory polyps of colon with abscess Notes ↗
K51.418 Inflammatory polyps of colon with other complication Notes ↗
K51.419 Inflammatory polyps of colon with unspecified complications Notes ↗
K51.50 Left sided colitis without complications Notes ↗
K51.511 Left sided colitis with rectal bleeding Notes ↗
K51.512 Left sided colitis with intestinal obstruction Notes ↗
K51.513 Left sided colitis with fistula Notes ↗
K51.514 Left sided colitis with abscess Notes ↗
K51.518 Left sided colitis with other complication Notes ↗
K51.519 Left sided colitis with unspecified complications Notes ↗
K51.80 Other ulcerative colitis without complications Notes ↗
K51.811 Other ulcerative colitis with rectal bleeding Notes ↗
K51.812 Other ulcerative colitis with intestinal obstruction Notes ↗
K51.813 Other ulcerative colitis with fistula Notes ↗
K51.814 Other ulcerative colitis with abscess Notes ↗
K51.818 Other ulcerative colitis with other complication Notes ↗
K51.819 Other ulcerative colitis with unspecified complications Notes ↗
K51.90 Ulcerative colitis, unspecified, without complications Notes ↗
K51.911 Ulcerative colitis, unspecified with rectal bleeding Notes ↗
K51.912 Ulcerative colitis, unspecified with intestinal obstruction Notes ↗
K51.913 Ulcerative colitis, unspecified with fistula Notes ↗
K51.914 Ulcerative colitis, unspecified with abscess Notes ↗
K51.918 Ulcerative colitis, unspecified with other complication Notes ↗
K51.919 Ulcerative colitis, unspecified with unspecified complications Notes ↗
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