T23.79 - Corrosion of third degree of multiple sites of wrist and hand T23.7 - Corrosion of third degree of wrist and hand T23.79 - Corrosion of third degree of multiple sites of wrist and hand T23.791 - Corrosion of third degree of multiple sites of right wrist and hand T23.792 - Corrosion of third degree of multiple sites of left wrist and hand T23.799 - Corrosion of third degree of multiple sites of unspecified wrist and hand