T23.4 - Corrosion of unspecified degree of wrist and hand
T23.44 - Corrosion of unspecified degree of multiple fingers (nail), including thumb
T23.441 - Corrosion of unspecified degree of multiple right fingers (nail), including thumb
T23.442 - Corrosion of unspecified degree of multiple left fingers (nail), including thumb
T23.449 - Corrosion of unspecified degree of unspecified multiple fingers (nail), including thumb