ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.5 T25.5 Corrosion of first degree of ankle and foot Non-Billable/Non-Specific Code First (T51-T65) to identify chemical and intent Use Additional external cause code to identify place (Y92) Codes T25.51Corrosion of first degree of ankleT25.511Corrosion of first degree of right ankleT25.511A..., initial encounterT25.511D..., subsequent encounterT25.511S..., sequelaT25.512Corrosion of first degree of left ankleT25.512A..., initial encounterT25.512D..., subsequent encounterT25.512S..., sequelaT25.519Corrosion of first degree of unspecified ankleT25.519A..., initial encounterT25.519D..., subsequent encounterT25.519S..., sequelaT25.52Corrosion of first degree of footT25.521Corrosion of first degree of right footT25.521A..., initial encounterT25.521D..., subsequent encounterT25.521S..., sequelaT25.522Corrosion of first degree of left footT25.522A..., initial encounterT25.522D..., subsequent encounterT25.522S..., sequelaT25.529Corrosion of first degree of unspecified footT25.529A..., initial encounterT25.529D..., subsequent encounterT25.529S..., sequelaT25.53Corrosion of first degree of toe(s) (nail)T25.531Corrosion of first degree of right toe(s) (nail)T25.531A..., initial encounterT25.531D..., subsequent encounterT25.531S..., sequelaT25.532Corrosion of first degree of left toe(s) (nail)T25.532A..., initial encounterT25.532D..., subsequent encounterT25.532S..., sequelaT25.539Corrosion of first degree of unspecified toe(s) (nail)T25.539A..., initial encounterT25.539D..., subsequent encounterT25.539S..., sequelaT25.59Corrosion of first degree of multiple sites of ankle and footT25.591Corrosion of first degree of multiple sites of right ankle and footT25.591A..., initial encounterT25.591D..., subsequent encounterT25.591S..., sequelaT25.592Corrosion of first degree of multiple sites of left ankle and footT25.592A..., initial encounterT25.592D..., subsequent encounterT25.592S..., sequelaT25.599Corrosion of first degree of multiple sites of unspecified ankle and footT25.599A..., initial encounterT25.599D..., subsequent encounterT25.599S..., sequela