T33 vs T68
T33 (Superficial frostbite) compared with T68 (Hypothermia), 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. T33 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.
Yes, when both are documented. T68 carries an Excludes2 note covering T33: “frostbite (T33-T34)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T33Superficial frostbite | T68Hypothermia | |
|---|---|---|
| Billing status | Non-billable header Report instead: T33.011A, T33.011D, T33.011S, T33.012A, T33.012D | 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 | Superficial frostbite is a non-billable ICD-10-CM category code (T33). | 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 T33 | The appropriate 7th character is to be added to code T68 |
| Includes | frostbite with partial thickness skin loss | 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