ICD-10-CM > S00-T88 > T20-T25 > T20 > T20.3 T20.3 Burn of third degree of head, face, and neck Non-Billable/Non-Specific Use Additional external cause code to identify the source, place and intent of the burn (X00-X19, X75-X77, X96-X98, Y92) Codes T20.30Burn of third degree of head, face, and neck, unspecified siteT20.30XA..., initial encounterT20.30XD..., subsequent encounterT20.30XS..., sequelaT20.31Burn of third degree of ear [any part, except ear drum]T20.311Burn of third degree of right ear [any part, except ear drum]T20.311A..., initial encounterT20.311D..., subsequent encounterT20.311S..., sequelaT20.312Burn of third degree of left ear [any part, except ear drum]T20.312A..., initial encounterT20.312D..., subsequent encounterT20.312S..., sequelaT20.319Burn of third degree of unspecified ear [any part, except ear drum]T20.319A..., initial encounterT20.319D..., subsequent encounterT20.319S..., sequelaT20.32Burn of third degree of lip(s)T20.32XA..., initial encounterT20.32XD..., subsequent encounterT20.32XS..., sequelaT20.33Burn of third degree of chinT20.33XA..., initial encounterT20.33XD..., subsequent encounterT20.33XS..., sequelaT20.34Burn of third degree of nose (septum)T20.34XA..., initial encounterT20.34XD..., subsequent encounterT20.34XS..., sequelaT20.35Burn of third degree of scalp [any part]T20.35XA..., initial encounterT20.35XD..., subsequent encounterT20.35XS..., sequelaT20.36Burn of third degree of forehead and cheekT20.36XA..., initial encounterT20.36XD..., subsequent encounterT20.36XS..., sequelaT20.37Burn of third degree of neckT20.37XA..., initial encounterT20.37XD..., subsequent encounterT20.37XS..., sequelaT20.39Burn of third degree of multiple sites of head, face, and neckT20.39XA..., initial encounterT20.39XD..., subsequent encounterT20.39XS..., sequela