T24.63 - Corrosion of second degree of lower leg T24.6 - Corrosion of second degree of lower limb, except ankle and foot T24.63 - Corrosion of second degree of lower leg T24.631 - Corrosion of second degree of right lower leg T24.632 - Corrosion of second degree of left lower leg T24.639 - Corrosion of second degree of unspecified lower leg