K50

Crohn's disease [regional enteritis]

Non-billable header

K50 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes

  • noninfective inflammatory bowel disease
  • granulomatous enteritis

Excludes1

Not coded here — never report together with this code.

  • irritable bowel syndrome (K58.-)
  • megacolon (K59.3-)
  • ulcerative colitis (K51.-)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Use additional code

Add a code to identify the following, if applicable.

  • 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 K50

  • K50.0Crohn's disease of small intestineHeader
  • K50.1Crohn's disease of large intestineHeader
  • K50.8Crohn's disease of both small and large intestineHeader
  • K50.9Crohn's disease, unspecifiedHeader

Related codes

  • K51Ulcerative colitisHeader
  • K52Other and unspecified noninfective gastroenteritis and colitisHeader

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