T24.43 - Corrosion of unspecified degree of lower leg T24.4 - Corrosion of unspecified degree of lower limb, except ankle and foot T24.43 - Corrosion of unspecified degree of lower leg T24.431 - Corrosion of unspecified degree of right lower leg T24.432 - Corrosion of unspecified degree of left lower leg T24.439 - Corrosion of unspecified degree of unspecified lower leg