ICD-10-CM > S00-T88 > T20-T25 > T20 > T20.1 T20.1 Burn of first 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 T20.10Burn of first degree of head, face, and neck, unspecified siteT20.10XA..., initial encounterT20.10XD..., subsequent encounterT20.10XS..., sequelaT20.11Burn of first degree of ear [any part, except ear drum]T20.111Burn of first degree of right ear [any part, except ear drum]T20.111A..., initial encounterT20.111D..., subsequent encounterT20.111S..., sequelaT20.112Burn of first degree of left ear [any part, except ear drum]T20.112A..., initial encounterT20.112D..., subsequent encounterT20.112S..., sequelaT20.119Burn of first degree of unspecified ear [any part, except ear drum]T20.119A..., initial encounterT20.119D..., subsequent encounterT20.119S..., sequelaT20.12Burn of first degree of lip(s)T20.12XA..., initial encounterT20.12XD..., subsequent encounterT20.12XS..., sequelaT20.13Burn of first degree of chinT20.13XA..., initial encounterT20.13XD..., subsequent encounterT20.13XS..., sequelaT20.14Burn of first degree of nose (septum)T20.14XA..., initial encounterT20.14XD..., subsequent encounterT20.14XS..., sequelaT20.15Burn of first degree of scalp [any part]T20.15XA..., initial encounterT20.15XD..., subsequent encounterT20.15XS..., sequelaT20.16Burn of first degree of forehead and cheekT20.16XA..., initial encounterT20.16XD..., subsequent encounterT20.16XS..., sequelaT20.17Burn of first degree of neckT20.17XA..., initial encounterT20.17XD..., subsequent encounterT20.17XS..., sequelaT20.19Burn of first degree of multiple sites of head, face, and neckT20.19XA..., initial encounterT20.19XD..., subsequent encounterT20.19XS..., sequela