S54.8X2A (Injury of other nerves at forearm level, left arm, initial encounter) compared with S54.8X9A (Injury of other nerves at forearm level, unspecified arm, initial encounter), from the official CMS tabular data. S54.8X2A and S54.8X9A 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. S54.8X2A and S54.8X9A 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.
| S54.8X2AInjury of other nerves at forearm level, left arm, initial encounter | S54.8X9AInjury of other nerves at forearm level, unspecified arm, initial encounter | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | S00-T88 — Injury, poisoning and certain other consequences of external causes | S00-T88 — Injury, poisoning and certain other consequences of external causes |
| Definition | Injury of other nerves at forearm level, left arm, initial encounter is a billable ICD-10-CM diagnosis code (S54.8X2A). | Injury of other nerves at forearm level, unspecified arm, initial encounter is a billable ICD-10-CM diagnosis code (S54.8X9A). |
| 7th character | The appropriate 7th character is to be added to each code from category S54 | The appropriate 7th character is to be added to each code from category S54 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources