ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.7 > T24.71 > T24.712 T24.712 Corrosion of third degree of left thigh Non-Billable/Non-Specific Codes T24.712A..., initial encounterT24.712D..., subsequent encounterT24.712S..., sequela