ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.3 T25.3 Burn of third degree of ankle and foot Non-Billable/Non-Specific Use Additional external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) Codes T25.31Burn of third degree of ankleT25.311Burn of third degree of right ankleT25.311A..., initial encounterT25.311D..., subsequent encounterT25.311S..., sequelaT25.312Burn of third degree of left ankleT25.312A..., initial encounterT25.312D..., subsequent encounterT25.312S..., sequelaT25.319Burn of third degree of unspecified ankleT25.319A..., initial encounterT25.319D..., subsequent encounterT25.319S..., sequelaT25.32Burn of third degree of footT25.321Burn of third degree of right footT25.321A..., initial encounterT25.321D..., subsequent encounterT25.321S..., sequelaT25.322Burn of third degree of left footT25.322A..., initial encounterT25.322D..., subsequent encounterT25.322S..., sequelaT25.329Burn of third degree of unspecified footT25.329A..., initial encounterT25.329D..., subsequent encounterT25.329S..., sequelaT25.33Burn of third degree of toe(s) (nail)T25.331Burn of third degree of right toe(s) (nail)T25.331A..., initial encounterT25.331D..., subsequent encounterT25.331S..., sequelaT25.332Burn of third degree of left toe(s) (nail)T25.332A..., initial encounterT25.332D..., subsequent encounterT25.332S..., sequelaT25.339Burn of third degree of unspecified toe(s) (nail)T25.339A..., initial encounterT25.339D..., subsequent encounterT25.339S..., sequelaT25.39Burn of third degree of multiple sites of ankle and footT25.391Burn of third degree of multiple sites of right ankle and footT25.391A..., initial encounterT25.391D..., subsequent encounterT25.391S..., sequelaT25.392Burn of third degree of multiple sites of left ankle and footT25.392A..., initial encounterT25.392D..., subsequent encounterT25.392S..., sequelaT25.399Burn of third degree of multiple sites of unspecified ankle and footT25.399A..., initial encounterT25.399D..., subsequent encounterT25.399S..., sequela