S44.92XA vs T34
S44.92XA (Injury of unspecified nerve at shoulder and upper arm level, left arm, initial encounter) compared with T34 (Frostbite with tissue necrosis), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. S44.92XA carries an Excludes2 note covering T34: “frostbite (T33-T34)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S44.92XAInjury of unspecified nerve at shoulder and upper arm level, left arm, initial encounter | T34Frostbite with tissue necrosis | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T34.011A, T34.011D, T34.011S, T34.012A, T34.012D |
| 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 unspecified nerve at shoulder and upper arm level, left arm, initial encounter is a billable ICD-10-CM diagnosis code (S44.92A). | Frostbite with tissue necrosis is a non-billable ICD-10-CM category code (T34). |
| 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 T34 |
| Includes | injuries of axilla injuries of scapular region | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources