K50.0

Crohn's disease of small intestine

Non-billable header

K50.0 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Applicable to

  • Crohn's disease [regional enteritis] of duodenum
  • Crohn's disease [regional enteritis] of ileum
  • Crohn's disease [regional enteritis] of jejunum
  • Regional ileitis
  • Terminal ileitis

Includes (from K50)

  • noninfective inflammatory bowel disease
  • granulomatous enteritis

Excludes1

Not coded here — never report together with this code.

  • Crohn's disease of both small and large intestine (K50.8-)
  • irritable bowel syndrome (K58.-) (from K50)
  • megacolon (K59.3-) (from K50)
  • ulcerative colitis (K51.-) (from K50)

Excludes2

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

  • certain conditions originating in the perinatal period (P04-P96) (from K50)
  • certain infectious and parasitic diseases (A00-B99) (from K50)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from K50)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from K50)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from K50)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from K50)
  • neoplasms (C00-D49) (from K50)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from K50)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify any associated fistulas, if applicable: (from K50)
  • anal fistula (K60.3-) (from K50)
  • anorectal fistula (K60.5-) (from K50)
  • rectal fistula (K60.4-) (from K50)
  • code to identify manifestations, such as: (from K50)
  • pyoderma gangrenosum (L88) (from K50)

Also known as

  • Crohn's disease [regional enteritis] of duodenum
  • Crohn's disease [regional enteritis] of ileum
  • Crohn's disease [regional enteritis] of jejunum
  • Regional ileitis
  • Terminal ileitis

Parent code

  • K50Crohn's disease [regional enteritis]Header

More specific codes K50.0

  • K50.00Crohn's disease of small intestine without complicationsBillable
  • K50.01Crohn's disease of small intestine with complicationsHeader

Related codes

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

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