K50

ICD-10Non-billable category

Crohn's disease [regional enteritis]

Official ICD-10-CM descriptor (FY2026)

Crohn's disease [regional enteritis]

K50 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Includes

  • granulomatous enteritis

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • ulcerative colitis (K51.-)

Use additional code

Report an additional code to identify the associated condition.

  • 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)

More specific codes under K50

Where this code sits

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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