N80.A52 (Deep endometriosis of left ureter) compared with N80.A59 (Deep endometriosis of unspecified ureter), from the official CMS tabular data. N80.A52 and N80.A59 code the same condition on opposite sides. MedCoder-derived
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. N80.A52 and N80.A59 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.
| N80.A52Deep endometriosis of left ureter | N80.A59Deep endometriosis of unspecified ureter | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | N00-N99 — Diseases of the genitourinary system | N00-N99 — Diseases of the genitourinary system |
| Definition | Deep endometriosis of left ureter is a billable ICD-10-CM diagnosis code (N80.A52). | Deep endometriosis of unspecified ureter is a billable ICD-10-CM diagnosis code (N80.A59). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources