T33.82 - Superficial frostbite of foot T33.8 - Superficial frostbite of ankle, foot, and toe(s) T33.82 - Superficial frostbite of foot T33.821 - Superficial frostbite of right foot T33.822 - Superficial frostbite of left foot T33.829 - Superficial frostbite of unspecified foot