Noninfective enteritis and colitis (K50-K52)
K51: Ulcerative colitis

useAdditionalCode
code to identify manifestations, such as:
pyoderma gangrenosum (L88)

excludes1
Crohn's disease [regional enteritis] (K50.-)
K51.0: Ulcerative (chronic) pancolitis
K51.2: Ulcerative (chronic) proctitis
K51.3: Ulcerative (chronic) rectosigmoiditis
K51.4: Inflammatory polyps of colon
K51.5: Left sided colitis
K51.8: Other ulcerative colitis
K51.9: Ulcerative colitis, unspecified

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