ICD-10-CM 2027
ICD-10 code for ovary endometriosis
From the official ICD-10-CM alphabetic index entry “Endometriosis › ovary (unspecified depth)”. Page updated September 29, 2026.
About coding ovary endometriosis
The ICD-10-CM code for ovary endometriosis is N80.10 (Endometriosis of ovary, unspecified depth). The official index lists 2 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on N80.10.
Within N80.1, choose N80.10 (unspecified depth) only when documentation doesn't support a more specific option: superficial endometriosis of the ovary (N80.11) and deep endometriosis of ovary (N80.12).
To report this condition, pick the subcode that matches the documentation: N80.101 (depth), N80.102 (depth), N80.103 (depth) and N80.109 (depth).
It was added in FY2023, effective October 1, 2022.
More specific ovary endometriosis codes (official index)
Common questions about ovary endometriosis ICD-10 codes
What is the ICD-10 code for ovary endometriosis?
- N80.10 — Endometriosis of ovary, unspecified depth (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: N80.12, N80.11.
What is the ICD-10 code for deep ovary endometriosis?
- N80.12 — Deep endometriosis of ovary (header code; choose a more specific subcode).
What is the ICD-10 code for superficial ovary endometriosis?
- N80.11 — Superficial endometriosis of the ovary (header code; choose a more specific subcode).
Is N80.10 billable?
- No. N80.10 is a header code. Report one of its more specific subcodes instead.