T27: Burn and corrosion of respiratory tract

Codes under T27 (Burn and corrosion of respiratory tract). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
T27.0	Burn of larynx and trachea	—
T27.0XXA	Burn of larynx and trachea, initial encounter	✓
T27.0XXD	Burn of larynx and trachea, subsequent encounter	✓
T27.0XXS	Burn of larynx and trachea, sequela	✓
T27.1	Burn involving larynx and trachea with lung	—
T27.1XXA	Burn involving larynx and trachea with lung, initial encounter	✓
T27.1XXD	Burn involving larynx and trachea with lung, subsequent encounter	✓
T27.1XXS	Burn involving larynx and trachea with lung, sequela	✓
T27.2	Burn of other parts of respiratory tract	—
T27.2XXA	Burn of other parts of respiratory tract, initial encounter	✓
T27.2XXD	Burn of other parts of respiratory tract, subsequent encounter	✓
T27.2XXS	Burn of other parts of respiratory tract, sequela	✓
T27.3	Burn of respiratory tract, part unspecified	—
T27.3XXA	Burn of respiratory tract, part unspecified, initial encounter	✓
T27.3XXD	Burn of respiratory tract, part unspecified, subsequent encounter	✓
T27.3XXS	Burn of respiratory tract, part unspecified, sequela	✓
T27.4	Corrosion of larynx and trachea	—
T27.4XXA	Corrosion of larynx and trachea, initial encounter	✓
T27.4XXD	Corrosion of larynx and trachea, subsequent encounter	✓
T27.4XXS	Corrosion of larynx and trachea, sequela	✓
T27.5	Corrosion involving larynx and trachea with lung	—
T27.5XXA	Corrosion involving larynx and trachea with lung, initial encounter	✓
T27.5XXD	Corrosion involving larynx and trachea with lung, subsequent encounter	✓
T27.5XXS	Corrosion involving larynx and trachea with lung, sequela	✓
T27.6	Corrosion of other parts of respiratory tract	—
T27.6XXA	Corrosion of other parts of respiratory tract, initial encounter	✓
T27.6XXD	Corrosion of other parts of respiratory tract, subsequent encounter	✓
T27.6XXS	Corrosion of other parts of respiratory tract, sequela	✓
T27.7	Corrosion of respiratory tract, part unspecified	—
T27.7XXA	Corrosion of respiratory tract, part unspecified, initial encounter	✓
T27.7XXD	Corrosion of respiratory tract, part unspecified, subsequent encounter	✓
T27.7XXS	Corrosion of respiratory tract, part unspecified, sequela	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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