ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.6 > T24.63 > T24.632 T24.632 Corrosion of second degree of left lower leg Non-Billable/Non-Specific Codes T24.632A..., initial encounterT24.632D..., subsequent encounterT24.632S..., sequela