ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.7 > T24.73 > T24.732 T24.732 Corrosion of third degree of left lower leg Non-Billable/Non-Specific Codes T24.732A..., initial encounterT24.732D..., subsequent encounterT24.732S..., sequela