S45 vs T34
S45 (Injury of blood vessels at shoulder and upper arm level) 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. S45 carries an Excludes2 note covering T34: “frostbite (T33-T34)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| S45Injury of blood vessels at shoulder and upper arm level | T34Frostbite with tissue necrosis | |
|---|---|---|
| Billing status | Non-billable header Report instead: S45.001A, S45.001D, S45.001S, S45.002A, S45.002D | 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 blood vessels at shoulder and upper arm level is a non-billable ICD-10-CM category code (S45). | 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 S45 | 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