ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.5 > T24.50 T24.50 Corrosion of first degree of unspecified site of lower limb, except ankle and foot Non-Billable/Non-Specific Codes T24.501Corrosion of first degree of unspecified site of right lower limb, except ankle and footT24.501A..., initial encounterT24.501D..., subsequent encounterT24.501S..., sequelaT24.502Corrosion of first degree of unspecified site of left lower limb, except ankle and footT24.502A..., initial encounterT24.502D..., subsequent encounterT24.502S..., sequelaT24.509Corrosion of first degree of unspecified site of unspecified lower limb, except ankle and footT24.509A..., initial encounterT24.509D..., subsequent encounterT24.509S..., sequela