ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.5 > T24.51 T24.51 Corrosion of first degree of thigh Non-Billable/Non-Specific Codes T24.511Corrosion of first degree of right thighT24.511A..., initial encounterT24.511D..., subsequent encounterT24.511S..., sequelaT24.512Corrosion of first degree of left thighT24.512A..., initial encounterT24.512D..., subsequent encounterT24.512S..., sequelaT24.519Corrosion of first degree of unspecified thighT24.519A..., initial encounterT24.519D..., subsequent encounterT24.519S..., sequela