T33: Superficial frostbite
T33.4: Superficial frostbite of arm
excludes2
superficial frostbite of wrist and hand (T33.5-)
T33.40: Superficial frostbite of unspecified arm
T33.41: Superficial frostbite of right arm
T33.42: Superficial frostbite of left arm
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