S52.521 (Torus fracture of lower end of right radius) compared with S52.522 (Torus fracture of lower end of left radius), from the official CMS tabular data. S52.521 and S52.522 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. S52.521 and S52.522 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.
| S52.521Torus fracture of lower end of right radius | S52.522Torus fracture of lower end of left radius | |
|---|---|---|
| Billing status | Non-billable header Report instead: S52.521A, S52.521D, S52.521G, S52.521K, S52.521P | Non-billable header Report instead: S52.522A, S52.522D, S52.522G, S52.522K, S52.522P |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Torus fracture of lower end of right radius is a non-billable ICD-10-CM category code (S52.521). | Torus fracture of lower end of left radius is a non-billable ICD-10-CM category code (S52.522). |
| 7th character | The appropriate 7th character is to be added to all codes in subcategory S52.52 | The appropriate 7th character is to be added to all codes in subcategory S52.52 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources