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K55.2

⚠ Non-billable (Header)

Angiodysplasia of colon

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

inherited from K55

Rules from parent category K55: Vascular disorders of intestine

  • • necrotizing enterocolitis of newborn (P77.-)

⚠️ Excludes2

inherited from K55

Rules from parent category K55: Vascular disorders of intestine

  • • angioectasia (angiodysplasia) duodenum (K31.81-)

Child Codes (2)

K55.20Angiodysplasia of colon without hemorrhageK55.21Angiodysplasia of colon with hemorrhage

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Code Information

CodeK55.2
BillableNo — Header code
ParentK55
CategoryDiseases of the digestive system (K00-K95)
Excludes11 rule(s)
Excludes21 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)