T24.62 - Corrosion of second degree of knee T24.6 - Corrosion of second degree of lower limb, except ankle and foot T24.62 - Corrosion of second degree of knee T24.621 - Corrosion of second degree of right knee T24.622 - Corrosion of second degree of left knee T24.629 - Corrosion of second degree of unspecified knee