T23.45 - Corrosion of unspecified degree of palm T23.4 - Corrosion of unspecified degree of wrist and hand T23.45 - Corrosion of unspecified degree of palm T23.451 - Corrosion of unspecified degree of right palm T23.452 - Corrosion of unspecified degree of left palm T23.459 - Corrosion of unspecified degree of unspecified palm