S44.22XA vs S54.2
S44.22XA (Injury of radial nerve at upper arm level, left arm, initial encounter) compared with S54.2 (Injury of radial nerve at forearm level), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. S44.22XA carries an Excludes1 note covering S54.2: “radial nerve NOS (S54.2)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| S44.22XAInjury of radial nerve at upper arm level, left arm, initial encounter | S54.2Injury of radial nerve at forearm level | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: S54.20XA, S54.20XD, S54.20XS, S54.21XA, S54.21XD |
| 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 | Injury of radial nerve at upper arm level, left arm, initial encounter is a billable ICD-10-CM diagnosis code (S44.22A). | Injury of radial nerve at forearm level is a non-billable ICD-10-CM category code (S54.2). |
| 7th character | The appropriate 7th character is to be added to each code from category S44 | The appropriate 7th character is to be added to each code from category S54 |
| Includes | injuries of axilla injuries of scapular region | Injury of radial nerve NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources