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K61.1

✓ Billable

Rectal abscess

Diseases of the digestive system (K00-K95)

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Also Known As

Perirectal abscess

❌ Excludes1

direct

Cannot be coded with K61.1

  • • ischiorectal abscess (K61.39)

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Code Information

CodeK61.1
BillableYes
ParentK61
CategoryDiseases of the digestive system (K00-K95)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)