T34.40XS (Frostbite with tissue necrosis of unspecified arm, sequela) compared with T34.41XS (Frostbite with tissue necrosis of right arm, sequela), from the official CMS tabular data. T34.40XS and T34.41XS 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. T34.40XS and T34.41XS 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.
| T34.40XSFrostbite with tissue necrosis of unspecified arm, sequela | T34.41XSFrostbite with tissue necrosis of right arm, sequela | |
|---|---|---|
| Billing status | Billable | Billable |
| 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 | Frostbite with tissue necrosis of unspecified arm, sequela is a billable ICD-10-CM diagnosis code (T34.40S). | Frostbite with tissue necrosis of right arm, sequela is a billable ICD-10-CM diagnosis code (T34.41S). |
| 7th character | The appropriate 7th character is to be added to each code from category T34 | The appropriate 7th character is to be added to each code from category T34 |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources