T24.709 - Corrosion of third degree of unspecified site of unspecified lower limb, except ankle and foot T24.7 - Corrosion of third degree of lower limb, except ankle and foot T24.70 - Corrosion of third degree of unspecified site of lower limb, except ankle and foot T24.709 - Corrosion of third degree of unspecified site of unspecified lower limb, except ankle and foot