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K57

⚠ Non-billable (Header)

Diverticular disease of 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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❌ Excludes1

direct

Cannot be coded with K57

  • • congenital diverticulum of intestine (Q43.8)
  • • Meckel's diverticulum (Q43.0)

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • diverticulum of appendix (K38.2)

Child Codes (8)

K57.0Diverticulitis of small intestine with perforation and abscessK57.1Diverticular disease of small intestine without perforation or abscessK57.2Diverticulitis of large intestine with perforation and abscessK57.3Diverticular disease of large intestine without perforation or abscessK57.4Diverticulitis of both small and large intestine with perforation and abscessK57.5Diverticular disease of both small and large intestine without perforation or abscessK57.8Diverticulitis of intestine, part unspecified, with perforation and abscessK57.9Diverticular disease of intestine, part unspecified, without perforation or abscess

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Code Information

CodeK57
BillableNo — Header code
CategoryDiseases of the digestive system (K00-K95)
Excludes12 rule(s)
Excludes21 note(s)
Child codes8

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)