ICD-10-CM > S00-T88 > T26-T28 > T27 T27 Burn and corrosion of respiratory tract Non-Billable/Non-Specific Use Additional external cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98)external cause code to identify place (Y92) Codes T27.0Burn of larynx and tracheaT27.0XXA..., initial encounterT27.0XXD..., subsequent encounterT27.0XXS..., sequelaT27.1Burn involving larynx and trachea with lungT27.1XXA..., initial encounterT27.1XXD..., subsequent encounterT27.1XXS..., sequelaT27.2Burn of other parts of respiratory tractT27.2XXA..., initial encounterT27.2XXD..., subsequent encounterT27.2XXS..., sequelaT27.3Burn of respiratory tract, part unspecifiedT27.3XXA..., initial encounterT27.3XXD..., subsequent encounterT27.3XXS..., sequelaT27.4Corrosion of larynx and tracheaT27.4XXA..., initial encounterT27.4XXD..., subsequent encounterT27.4XXS..., sequelaT27.5Corrosion involving larynx and trachea with lungT27.5XXA..., initial encounterT27.5XXD..., subsequent encounterT27.5XXS..., sequelaT27.6Corrosion of other parts of respiratory tractT27.6XXA..., initial encounterT27.6XXD..., subsequent encounterT27.6XXS..., sequelaT27.7Corrosion of respiratory tract, part unspecifiedT27.7XXA..., initial encounterT27.7XXD..., subsequent encounterT27.7XXS..., sequela