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