ICD-10-CM > S00-T88 > T20-T25 > T25 > T25.2 > T25.21 T25.21 Burn of second degree of ankle Non-Billable/Non-Specific Codes T25.211Burn of second degree of right ankleT25.211A..., initial encounterT25.211D..., subsequent encounterT25.211S..., sequelaT25.212Burn of second degree of left ankleT25.212A..., initial encounterT25.212D..., subsequent encounterT25.212S..., sequelaT25.219Burn of second degree of unspecified ankleT25.219A..., initial encounterT25.219D..., subsequent encounterT25.219S..., sequela