T33.99XD vs T68
T33.99XD (Superficial frostbite of other sites, subsequent encounter) 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. T33.99XD 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 T33.99XD: “frostbite (T33-T34)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| T33.99XDSuperficial frostbite of other sites, subsequent encounter | T68Hypothermia | |
|---|---|---|
| Billing status | Billable | 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 of other sites, subsequent encounter is a billable ICD-10-CM diagnosis code (T33.99D). | 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 Superficial frostbite of leg NOS Superficial frostbite of trunk NOS | 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