ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.7 > T24.79 > T24.792 T24.792 Corrosion of third degree of multiple sites of left lower limb, except ankle and foot Non-Billable/Non-Specific Codes T24.792A..., initial encounterT24.792D..., subsequent encounterT24.792S..., sequela