T34.0 - Frostbite with tissue necrosis of head
T34.01 - Frostbite with tissue necrosis of ear
T34.011 - Frostbite with tissue necrosis of right ear
T34.012 - Frostbite with tissue necrosis of left ear
T34.019 - Frostbite with tissue necrosis of unspecified ear