ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.5 > T24.53 > T24.532 T24.532 Corrosion of first degree of left lower leg Non-Billable/Non-Specific Codes T24.532A..., initial encounterT24.532D..., subsequent encounterT24.532S..., sequela