ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.6 > T23.67 > T23.679 T23.679 Corrosion of second degree of unspecified wrist Non-Billable/Non-Specific Codes T23.679A..., initial encounterT23.679D..., subsequent encounterT23.679S..., sequela