T24.799 - Corrosion of third degree of multiple sites of unspecified lower limb, except ankle and foot T24.7 - Corrosion of third degree of lower limb, except ankle and foot T24.79 - Corrosion of third degree of multiple sites of lower limb, except ankle and foot T24.799 - Corrosion of third degree of multiple sites of unspecified lower limb, except ankle and foot