ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.5 > T23.57 > T23.579 T23.579 Corrosion of first degree of unspecified wrist Non-Billable/Non-Specific Codes T23.579A..., initial encounterT23.579D..., subsequent encounterT23.579S..., sequela