T34.9 - Frostbite with tissue necrosis of other and unspecified sites T34 - Frostbite with tissue necrosis T34.9 - Frostbite with tissue necrosis of other and unspecified sites T34.90 - Frostbite with tissue necrosis of unspecified sites T34.99 - Frostbite with tissue necrosis of other sites