ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.6 > T24.60 > T24.602 T24.602 Corrosion of second degree of unspecified site of left lower limb, except ankle and foot Non-Billable/Non-Specific Codes T24.602A..., initial encounterT24.602D..., subsequent encounterT24.602S..., sequela