ICD-10-CM > S00-T88 > T20-T25 > T20 > T20.1 > T20.19 T20.19 Burn of first degree of multiple sites of head, face, and neck Non-Billable/Non-Specific Codes T20.19XA..., initial encounterT20.19XD..., subsequent encounterT20.19XS..., sequela