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K42

⚠ Non-billable (Header)

Umbilical hernia

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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✅ Includes

  • • paraumbilical hernia

❌ Excludes1

direct

Cannot be coded with K42

  • • omphalocele (Q79.2)

Child Codes (3)

K42.0Umbilical hernia with obstruction, without gangreneK42.1Umbilical hernia with gangreneK42.9Umbilical hernia without obstruction or gangrene

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Code Information

CodeK42
BillableNo — Header code
CategoryDiseases of the digestive system (K00-K95)
Excludes11 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)