T23.70 - Corrosion of third degree of hand, unspecified site T23.7 - Corrosion of third degree of wrist and hand T23.70 - Corrosion of third degree of hand, unspecified site T23.701 - Corrosion of third degree of right hand, unspecified site T23.702 - Corrosion of third degree of left hand, unspecified site T23.709 - Corrosion of third degree of unspecified hand, unspecified site