N83.311 (Acquired atrophy of right ovary) compared with N83.312 (Acquired atrophy of left ovary), from the official CMS tabular data. N83.311 and N83.312 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. N83.311 and N83.312 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.
| N83.311Acquired atrophy of right ovary | N83.312Acquired atrophy of left ovary | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Acquired atrophy of right ovary is a billable ICD-10-CM diagnosis code (N83.311). | Acquired atrophy of left ovary is a billable ICD-10-CM diagnosis code (N83.312). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources