ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.3 > T25.39 > T25.392 T25.392 Burn of third degree of multiple sites of left ankle and foot Non-Billable/Non-Specific Codes T25.392A..., initial encounterT25.392D..., subsequent encounterT25.392S..., sequela