Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Classification of FCI according to morphology.
| Morphology/level | ||
|---|---|---|
| Superficial frostbite | 1stdegree | Partial intradermal frostbite |
| 2nd degree | Complete dermal frostbite | |
| Deep frostbite | 3rd degree | Injury down into the subcutaneous tissue |
| 4th degree | Injury to deeper structures (i.e. muscles and bone) | |
