ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.7 T25.7 Corrosion of third 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 T25.71Corrosion of third degree of ankleT25.711Corrosion of third degree of right ankleT25.711A..., initial encounterT25.711D..., subsequent encounterT25.711S..., sequelaT25.712Corrosion of third degree of left ankleT25.712A..., initial encounterT25.712D..., subsequent encounterT25.712S..., sequelaT25.719Corrosion of third degree of unspecified ankleT25.719A..., initial encounterT25.719D..., subsequent encounterT25.719S..., sequelaT25.72Corrosion of third degree of footT25.721Corrosion of third degree of right footT25.721A..., initial encounterT25.721D..., subsequent encounterT25.721S..., sequelaT25.722Corrosion of third degree of left footT25.722A..., initial encounterT25.722D..., subsequent encounterT25.722S..., sequelaT25.729Corrosion of third degree of unspecified footT25.729A..., initial encounterT25.729D..., subsequent encounterT25.729S..., sequelaT25.73Corrosion of third degree of toe(s) (nail)T25.731Corrosion of third degree of right toe(s) (nail)T25.731A..., initial encounterT25.731D..., subsequent encounterT25.731S..., sequelaT25.732Corrosion of third degree of left toe(s) (nail)T25.732A..., initial encounterT25.732D..., subsequent encounterT25.732S..., sequelaT25.739Corrosion of third degree of unspecified toe(s) (nail)T25.739A..., initial encounterT25.739D..., subsequent encounterT25.739S..., sequelaT25.79Corrosion of third degree of multiple sites of ankle and footT25.791Corrosion of third degree of multiple sites of right ankle and footT25.791A..., initial encounterT25.791D..., subsequent encounterT25.791S..., sequelaT25.792Corrosion of third degree of multiple sites of left ankle and footT25.792A..., initial encounterT25.792D..., subsequent encounterT25.792S..., sequelaT25.799Corrosion of third degree of multiple sites of unspecified ankle and footT25.799A..., initial encounterT25.799D..., subsequent encounterT25.799S..., sequela