S58.121 (Partial traumatic amputation at level between elbow and wrist, right arm) compared with S58.129 (Partial traumatic amputation at level between elbow and wrist, unspecified arm), from the official CMS tabular data. S58.121 and S58.129 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. S58.121 and S58.129 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.
| S58.121Partial traumatic amputation at level between elbow and wrist, right arm | S58.129Partial traumatic amputation at level between elbow and wrist, unspecified arm | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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 | Partial traumatic amputation at level between elbow and wrist, right arm is a non-billable ICD-10-CM category code (S58.121). | Partial traumatic amputation at level between elbow and wrist, unspecified arm is a non-billable ICD-10-CM category code (S58.129). |
| 7th character | The appropriate 7th character is to be added to each code from category S58 | The appropriate 7th character is to be added to each code from category S58 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources