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K63.2

✓ Billable

Fistula of intestine

Diseases of the digestive system (K00-K95)

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❌ Excludes1

direct

Cannot be coded with K63.2

  • • fistula of duodenum (K31.6)
  • • fistula of intestine with Crohn's disease (K50.013, K50.113, K50.813, K50.913,)
  • • fistula of intestine with ulcerative colitis (K51.013, K51.213, K51.313, K51.413, K51.513, K51.813, K51.913)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • fistula of anal and rectal regions (K60.-)
  • • fistula of appendix (K38.3)
  • • intestinal-genital fistula, female (N82.2-N82.4)
  • • vesicointestinal fistula (N32.1)

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Code Information

CodeK63.2
BillableYes
ParentK63
CategoryDiseases of the digestive system (K00-K95)
Excludes13 rule(s)
Excludes24 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)