D27 vs N83.1
D27 (Benign neoplasm of ovary) compared with N83.1 (Corpus luteum cyst), 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 N83.1: “corpus luteum cyst (N83.1-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| D27Benign neoplasm of ovary | N83.1Corpus luteum cyst | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | C00-D49 — Neoplasms (C00-D49) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Benign neoplasm of ovary is a non-billable ICD-10-CM category code (D27). | Corpus luteum cyst is a non-billable ICD-10-CM category code (N83.1). |
| Includes | — | Hemorrhagic corpus luteum cyst |
| 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