T33.0Non-Billable (Header)Superficial frostbite of headChild CodesT33.01Superficial frostbite of earT33.02Superficial frostbite of noseT33.09Superficial frostbite of other part of headCode Hierarchy└T33Superficial frostbite└T33.0Superficial frostbite of head└T33.0Superficial frostbite of head