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K50.01

Crohn's disease of small intestine with complications

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
K50.0code
Excludes1
  • Crohn's disease of both small and large intestine (K50.8-)K50.8-
K50code
Excludes1
  • ulcerative colitis (K51.-)K51.-
K50-K52block
Excludes1
  • irritable bowel syndrome (K58.-)K58.-
  • megacolon (K59.3-)K59.3-
K00-K95chapter
Excludes2
  • certain conditions originating in the perinatal period (P04-P96)P04-P96
  • certain infectious and parasitic diseases (A00-B99)A00-B99
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 13
K50code
Includes
  • granulomatous enteritis
Use additional code
  • code to identify any associated fistulas, if applicable:
  • anal fistula (K60.3-)K60.3-
  • anorectal fistula (K60.5-)K60.5-
  • rectal fistula (K60.4-)K60.4-
  • code to identify manifestations, such as:
  • pyoderma gangrenosum (L88)L88
K50.0code
Inclusion terms
  • 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
K50-K52block
Includes
  • noninfective inflammatory bowel disease
Index entries leading here filed at null

No alphabetic index entry points at this code.

Alongside this code 1 same parent — K50.0
Subordinate codes 6
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
K50.0
Block
K50-K52
Siblings
1
Subordinate
6

Present FY2024–FY2027.