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K50.0

⚠ Non-billable (Header)

Crohn's disease of small intestine

Diseases of the digestive system (K00-K95)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Crohn's disease [regional enteritis] of duodenumCrohn's disease [regional enteritis] of ileumCrohn's disease [regional enteritis] of jejunumRegional ileitisTerminal ileitis

❌ Excludes1

direct

Cannot be coded with K50.0

  • • Crohn's disease of both small and large intestine (K50.8-)

❌ Excludes1

inherited from K50

Rules from parent category K50: Crohn's disease [regional enteritis]

  • • ulcerative colitis (K51.-)

Child Codes (2)

K50.00Crohn's disease of small intestine without complicationsK50.01Crohn's disease of small intestine with complications

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Code Information

CodeK50.0
BillableNo — Header code
ParentK50
CategoryDiseases of the digestive system (K00-K95)
Excludes12 rule(s)
Excludes20 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)