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K55.30

✓ Billable

Necrotizing enterocolitis, unspecified

Diseases of the digestive system (K00-K95)

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Also Known As

Necrotizing enterocolitis, NOS

❌ Excludes1

inherited from K55.3

Rules from parent category K55.3: Necrotizing enterocolitis

  • • necrotizing enterocolitis of newborn (P77.-)

⚠️ Excludes2

inherited from K55.3

Rules from parent category K55.3: Necrotizing enterocolitis

  • • necrotizing enterocolitis due to Clostridium difficile (A04.7-)

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Code Information

CodeK55.30
BillableYes
ParentK55.3
CategoryDiseases of the digestive system (K00-K95)
Excludes11 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)