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K51

Non-Billable (Header)

Ulcerative colitis

Excludes 1 — Do NOT code together

  • Crohn's disease [regional enteritis] (K50.-)

Use Additional Code

  • code to identify any associated fistulas, if applicable:
  • anal fistula (K60.3-)
  • anorectal fistula (K60.5-)
  • rectal fistula (K60.4-)
  • code to identify manifestations, such as:
  • pyoderma gangrenosum (L88)

Child Codes

K51.0Ulcerative (chronic) pancolitis
K51.2Ulcerative (chronic) proctitis
K51.3Ulcerative (chronic) rectosigmoiditis
K51.4Inflammatory polyps of colon
K51.5Left sided colitis
K51.8Other ulcerative colitis
K51.9Ulcerative colitis, unspecified

Code Hierarchy

└K51Ulcerative colitis
└K51Ulcerative colitis

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