ICD-10-CM › K00-K95 › K50-K52 › K50 Crohn's disease [regional enteritis] › K50.1

K50.1

Crohn's disease of large intestine

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 2 more specific codes instead:

  • K50.10 Crohn's disease of large intestine without complications
  • K50.11 Crohn's disease of large intestine with complications (also a header)

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Crohn's disease of large intestine

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from K50 Crohn's disease [regional enteritis]

Excludes1 - never coded here

  • ulcerative colitis (K51.-)

Use additional code

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

Includes

  • granulomatous enteritis

Inherited from the K50-K52 section Noninfective enteritis and colitis (K50-K52)

Excludes1 - never coded here

  • irritable bowel syndrome (K58.-)
  • megacolon (K59.3-)

Includes

  • noninfective inflammatory bowel disease

Codes in the same group

CodeDescriptionStatus
K50.0 Crohn's disease of small intestine Not billable
K50.8 Crohn's disease of both small and large intestine Not billable
K50.9 Crohn's disease, unspecified Not billable