Type of frostbite Effects
Superficial Affects the skin and subcutaneous tissues
Deep In addition to the above, also affects bones, joints and tendons

Frostbite is the most common freezing condition of human tissue and occurs whenever the tissue temperature goes below freezing [5-7].

Ice crystal formation damages the cellular architecture and stasis progresses to microvascular thrombi.

It can be classified as either superficial or deep.