D27 vs N83.291
D27 (Benign neoplasm of ovary) compared with N83.291 (Other ovarian cyst, right side), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
Yes, when both are documented. D27 carries an Excludes2 note covering N83.291: “corpus albicans cyst (N83.2-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. D27 carries an Excludes2 note covering N83.291: “ovarian cyst NEC (N83.2-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Yes, when both are documented. D27 carries an Excludes2 note covering N83.291: “ovarian retention cyst (N83.2-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
No — do not report together. N83.291 carries an Excludes1 note covering D27: “neoplastic ovarian cyst (D27.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| D27Benign neoplasm of ovary | N83.291Other ovarian cyst, right side | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| 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). | Other ovarian cyst, right side is a billable ICD-10-CM diagnosis code (N83.291). |
| 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