N80.12
⚠ Non-billable (Header)Deep endometriosis of ovary
Diseases of the genitourinary system (N00-N99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Also Known As
Deep ovarian endometriosisEndometrioma
✅ No additional coding notes for N80.12
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CodeN80.12
BillableNo — Header code
ParentN80.1
CategoryDiseases of the genitourinary system (N00-N99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)