ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.4 > T23.45 T23.45 Corrosion of unspecified degree of palm Non-Billable/Non-Specific Codes T23.451Corrosion of unspecified degree of right palmT23.451A..., initial encounterT23.451D..., subsequent encounterT23.451S..., sequelaT23.452Corrosion of unspecified degree of left palmT23.452A..., initial encounterT23.452D..., subsequent encounterT23.452S..., sequelaT23.459Corrosion of unspecified degree of unspecified palmT23.459A..., initial encounterT23.459D..., subsequent encounterT23.459S..., sequela