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Compare/D27 vs N80.1

D27 vs N80.1

D27 (Benign neoplasm of ovary) compared with N80.1 (Endometriosis of ovary), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. D27 carries an Excludes2 note covering N80.1: “endometrial cyst (N80.1-)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

D27Benign neoplasm of ovaryN80.1Endometriosis of ovary
Billing statusNon-billable header

Report instead: D27.0, D27.1, D27.9

Non-billable header

Report instead: N80.101, N80.102, N80.103, N80.109, N80.111

ClassificationC00-D49 — Neoplasms (C00-D49)N00-N99 — Diseases of the Genitourinary System (N00-N99)
DefinitionBenign neoplasm of ovary is a non-billable ICD-10-CM category code (D27).Endometriosis of ovary is a non-billable ICD-10-CM category code (N80.1).
Use additional code
code to identify any functional activity.

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources