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K51 - Ulcerative colitis


The ICD 10 Code for Ulcerative colitis is listed as K51.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K51
Description: Ulcerative colitis
  • Use additional code to identify manifestations, such as:
  • pyoderma gangrenosum (L88)
  • Excludes1: Crohn's disease [regional enteritis] (K50.-)
Chapter Diseases of the digestive system (K00-K95)
ICD-10-CM Children (deeper level / typically more specific) of K51:
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