nitial encounter for frostbite of the right and left toes, and nose encountered while mountain climbing. ICD-10-CM Codes:" a) T33.0 (Superficial frostbite of toes) b) T34.0 (Frostbite with tissue necrosis of toes) c) T33.1 (Superficial frostbite of nose) d) T34.1 (Frostbite with tissue necrosis of nose)