ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.6 > T24.60 > T24.601 T24.601 Corrosion of second degree of unspecified site of right lower limb, except ankle and foot Non-Billable/Non-Specific Codes T24.601A..., initial encounterT24.601D..., subsequent encounterT24.601S..., sequela