ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.4 > T24.41 T24.41 Corrosion of unspecified degree of thigh Non-Billable/Non-Specific Codes T24.411Corrosion of unspecified degree of right thighT24.411A..., initial encounterT24.411D..., subsequent encounterT24.411S..., sequelaT24.412Corrosion of unspecified degree of left thighT24.412A..., initial encounterT24.412D..., subsequent encounterT24.412S..., sequelaT24.419Corrosion of unspecified degree of unspecified thighT24.419A..., initial encounterT24.419D..., subsequent encounterT24.419S..., sequela