N80.541
✓ BillableSuperficial endometriosis of the appendix
Diseases of the genitourinary system (N00-N99)
✅ No additional coding notes for N80.541
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CodeN80.541
BillableYes
ParentN80.54
CategoryDiseases of the genitourinary system (N00-N99)
Excludes10 rule(s)
Excludes20 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)