T34.82 (Frostbite with tissue necrosis of foot) compared with T68 (Hypothermia), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Distinct conditions — both may be reported.
“hypothermia and other effects of reduced temperature (T68, T69.-)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. T34.82 carries an Excludes2 note covering T68: “hypothermia and other effects of reduced temperature (T68, T69.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| T34.82Frostbite with tissue necrosis of foot | T68Hypothermia | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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 foot is a non-billable ICD-10-CM category code (T34.82). | Hypothermia is a non-billable ICD-10-CM category code (T68). |
| 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 code T68 |
| Includes | — | Accidental hypothermia Hypothermia NOS |
| Use additional code | — | code to identify source of exposure: Exposure to excessive cold of man-made origin (W93) Exposure to excessive cold of natural origin (X31) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources