S52.521A (Torus fracture of lower end of right radius, initial encounter for closed fracture) compared with S52.522A (Torus fracture of lower end of left radius, initial encounter for closed fracture), from the official CMS tabular data. S52.521A and S52.522A 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. S52.521A and S52.522A 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.
| S52.521ATorus fracture of lower end of right radius, initial encounter for closed fracture | S52.522ATorus fracture of lower end of left radius, initial encounter for closed fracture | |
|---|---|---|
| Billing status | Billable | Billable |
| 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, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S52.521A). | Torus fracture of lower end of left radius, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S52.522A). |
| 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