T24.53 - Corrosion of first degree of lower leg T24.5 - Corrosion of first degree of lower limb, except ankle and foot T24.53 - Corrosion of first degree of lower leg T24.531 - Corrosion of first degree of right lower leg T24.532 - Corrosion of first degree of left lower leg T24.539 - Corrosion of first degree of unspecified lower leg