T34 - Frostbite with tissue necrosis
T34.7 - Frostbite with tissue necrosis of knee and lower leg
Excludes 2:
-frostbite with tissue necrosis of ankle and foot T34.8-)
T34.70 - Frostbite with tissue necrosis of unspecified knee and lower leg
T34.71 - Frostbite with tissue necrosis of right knee and lower leg
T34.72 - Frostbite with tissue necrosis of left knee and lower leg