T34.522D vs T34.529D
T34.522D (Frostbite with tissue necrosis of left hand, subsequent encounter) compared with T34.529D (Frostbite with tissue necrosis of unspecified hand, subsequent encounter), from the official CMS tabular data. T34.522D and T34.529D code the same condition on opposite sides.
Can these codes be reported together?
Same condition, opposite side. T34.522D and T34.529D 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.
Side by side
| T34.522DFrostbite with tissue necrosis of left hand, subsequent encounter | T34.529DFrostbite with tissue necrosis of unspecified hand, subsequent encounter | |
|---|---|---|
| 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 left hand, subsequent encounter is a billable ICD-10-CM diagnosis code (T34.522D). | Frostbite with tissue necrosis of unspecified hand, subsequent encounter is a billable ICD-10-CM diagnosis code (T34.529D). |
| 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