ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.4 > T24.49 T24.49 Corrosion of unspecified degree of multiple sites of lower limb, except ankle and foot Non-Billable/Non-Specific Codes T24.491Corrosion of unspecified degree of multiple sites of right lower limb, except ankle and footT24.491A..., initial encounterT24.491D..., subsequent encounterT24.491S..., sequelaT24.492Corrosion of unspecified degree of multiple sites of left lower limb, except ankle and footT24.492A..., initial encounterT24.492D..., subsequent encounterT24.492S..., sequelaT24.499Corrosion of unspecified degree of multiple sites of unspecified lower limb, except ankle and footT24.499A..., initial encounterT24.499D..., subsequent encounterT24.499S..., sequela