ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.4 > T24.40 T24.40 Corrosion of unspecified degree of unspecified site of lower limb, except ankle and foot Non-Billable/Non-Specific Codes T24.401Corrosion of unspecified degree of unspecified site of right lower limb, except ankle and footT24.401A..., initial encounterT24.401D..., subsequent encounterT24.401S..., sequelaT24.402Corrosion of unspecified degree of unspecified site of left lower limb, except ankle and footT24.402A..., initial encounterT24.402D..., subsequent encounterT24.402S..., sequelaT24.409Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and footT24.409A..., initial encounterT24.409D..., subsequent encounterT24.409S..., sequela