E28.2 vs N83.299
E28.2 (Polycystic ovarian syndrome) compared with N83.299 (Other ovarian cyst, unspecified 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?
No — do not report together. N83.299 carries an Excludes1 note covering E28.2: “polycystic ovarian syndrome (E28.2)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. N83.299 carries an Excludes1 note covering E28.2: “Stein-Leventhal syndrome (E28.2)”
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
| E28.2Polycystic ovarian syndrome | N83.299Other ovarian cyst, unspecified side | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Polycystic ovarian syndrome is a billable ICD-10-CM diagnosis code (E28.2). | Other ovarian cyst, unspecified side is a billable ICD-10-CM diagnosis code (N83.299). |
| Includes | Sclerocystic ovary syndrome Stein-Leventhal syndrome | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources