N83.201 (Unspecified ovarian cyst, right side) compared with N83.209 (Unspecified ovarian cyst, unspecified side), from the official CMS tabular data. N83.201 and N83.209 code the same condition on opposite sides.
Same condition; these differ only in which side is documented.
These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.
Source: ICD-10-CM tabular list (laterality variant derived from the code title)
Same condition, opposite side. N83.201 and N83.209 name the same condition on opposite sides of the body.
Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.
| N83.201Unspecified ovarian cyst, right side | N83.209Unspecified ovarian cyst, unspecified side | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Unspecified ovarian cyst, right side is a billable ICD-10-CM diagnosis code (N83.201). | Unspecified ovarian cyst, unspecified side is a billable ICD-10-CM diagnosis code (N83.209). |
| Includes | — | Ovarian cyst, NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources