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