T27 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Burn and corrosion of respiratory tract.
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External cause code to identify the source and intent of the burn (X00-X19, X75-X77, X96-X98)
The appropriate 7th character is to be added to each code from category T27
A: initial encounter
D: subsequent encounter
S: sequela
Burn of larynx and trachea
Burn involving larynx and trachea with lung
Burn of other parts of respiratory tract
Burn of respiratory tract, part unspecified
Corrosion of larynx and trachea
Corrosion involving larynx and trachea with lung
Corrosion of other parts of respiratory tract
Corrosion of respiratory tract, part unspecified
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