T25.79 - Corrosion of third degree of multiple sites of ankle and foot T25.7 - Corrosion of third degree of ankle and foot T25.79 - Corrosion of third degree of multiple sites of ankle and foot T25.791 - Corrosion of third degree of multiple sites of right ankle and foot T25.792 - Corrosion of third degree of multiple sites of left ankle and foot T25.799 - Corrosion of third degree of multiple sites of unspecified ankle and foot