ICD-10-CM > S00-T88 > T20-T25 > T20 > T20.0 > T20.00 T20.00 Burn of unspecified degree of head, face, and neck, unspecified site Non-Billable/Non-Specific Codes T20.00XA..., initial encounterT20.00XD..., subsequent encounterT20.00XS..., sequela