N83.291 vs Q50.1
N83.291 (Other ovarian cyst, right side) compared with Q50.1 (Developmental ovarian cyst), 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. N83.291 carries an Excludes1 note covering Q50.1: “developmental ovarian cyst (Q50.1)”
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
| N83.291Other ovarian cyst, right side | Q50.1Developmental ovarian cyst | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | Q00-Q99 — Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99) |
| Definition | Other ovarian cyst, right side is a billable ICD-10-CM diagnosis code (N83.291). | Developmental ovarian cyst is a billable ICD-10-CM diagnosis code (Q50.1). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources