T27 Burn and corrosion of respiratory tract

Category / Non-billable header 8 subcodes

Block: Burns and corrosions confined to eye and internal organs (T26-T28)

Use Additional Code

  • 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)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
T27..0 Burn of larynx and trachea No
T27..1 Burn involving larynx and trachea with lung No
T27..2 Burn of other parts of respiratory tract No
T27..3 Burn of respiratory tract, part unspecified No
T27..4 Corrosion of larynx and trachea No
T27..5 Corrosion involving larynx and trachea with lung No
T27..6 Corrosion of other parts of respiratory tract No
T27..7 Corrosion of respiratory tract, part unspecified No

Last reviewed: September 2026