ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.5 > T23.55 T23.55 Corrosion of first degree of palm Non-Billable/Non-Specific Codes T23.551Corrosion of first degree of right palmT23.551A..., initial encounterT23.551D..., subsequent encounterT23.551S..., sequelaT23.552Corrosion of first degree of left palmT23.552A..., initial encounterT23.552D..., subsequent encounterT23.552S..., sequelaT23.559Corrosion of first degree of unspecified palmT23.559A..., initial encounterT23.559D..., subsequent encounterT23.559S..., sequela