ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.4 > T23.47 > T23.472 T23.472 Corrosion of unspecified degree of left wrist Non-Billable/Non-Specific Codes T23.472A..., initial encounterT23.472D..., subsequent encounterT23.472S..., sequela