ICD-10-CM > S00-T88 > T20-T25 > T24 > T24.2 > T24.21 > T24.219 T24.219 Burn of second degree of unspecified thigh Non-Billable/Non-Specific Codes T24.219A..., initial encounterT24.219D..., subsequent encounterT24.219S..., sequela