ICD-10-CM category
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 | — |
| T27.0 | Burn of larynx and trachea | — |
| T27.0XXA | Burn of larynx and trachea, initial encounter | ✓ |
| T27.0XXA | Burn of larynx and trachea, initial encounter | ✓ |
| T27.0XXD | Burn of larynx and trachea, subsequent encounter | ✓ |
| T27.0XXD | Burn of larynx and trachea, subsequent encounter | ✓ |
| T27.0XXS | Burn of larynx and trachea, sequela | ✓ |
| T27.0XXS | Burn of larynx and trachea, sequela | ✓ |
| T27.1 | Burn involving larynx and trachea with lung | — |
| T27.1 | Burn involving larynx and trachea with lung | — |
| T27.1XXA | Burn involving larynx and trachea with lung, initial encounter | ✓ |
| T27.1XXA | Burn involving larynx and trachea with lung, initial encounter | ✓ |
| T27.1XXD | Burn involving larynx and trachea with lung, subsequent encounter | ✓ |
| T27.1XXD | Burn involving larynx and trachea with lung, subsequent encounter | ✓ |
| T27.1XXS | Burn involving larynx and trachea with lung, sequela | ✓ |
| T27.1XXS | Burn involving larynx and trachea with lung, sequela | ✓ |
| T27.2 | Burn of other parts of respiratory tract | — |
| T27.2 | Burn of other parts of respiratory tract | — |
| T27.2XXA | Burn of other parts of respiratory tract, initial encounter | ✓ |
| T27.2XXA | Burn of other parts of respiratory tract, initial encounter | ✓ |
| T27.2XXD | Burn of other parts of respiratory tract, subsequent encounter | ✓ |
| T27.2XXD | Burn of other parts of respiratory tract, subsequent encounter | ✓ |
| T27.2XXS | Burn of other parts of respiratory tract, sequela | ✓ |
| T27.2XXS | Burn of other parts of respiratory tract, sequela | ✓ |
| T27.3 | Burn of respiratory tract, part unspecified | — |
| T27.3 | Burn of respiratory tract, part unspecified | — |
| T27.3XXA | Burn of respiratory tract, part unspecified, initial encounter | ✓ |
| T27.3XXA | Burn of respiratory tract, part unspecified, initial encounter | ✓ |
| T27.3XXD | Burn of respiratory tract, part unspecified, subsequent encounter | ✓ |
| T27.3XXD | Burn of respiratory tract, part unspecified, subsequent encounter | ✓ |
| T27.3XXS | Burn of respiratory tract, part unspecified, sequela | ✓ |
| T27.3XXS | Burn of respiratory tract, part unspecified, sequela | ✓ |
| T27.4 | Corrosion of larynx and trachea | — |
| T27.4 | Corrosion of larynx and trachea | — |
| T27.4XXA | Corrosion of larynx and trachea, initial encounter | ✓ |
| T27.4XXA | Corrosion of larynx and trachea, initial encounter | ✓ |
| T27.4XXD | Corrosion of larynx and trachea, subsequent encounter | ✓ |
| T27.4XXD | Corrosion of larynx and trachea, subsequent encounter | ✓ |
| T27.4XXS | Corrosion of larynx and trachea, sequela | ✓ |
| T27.4XXS | Corrosion of larynx and trachea, sequela | ✓ |
| T27.5 | Corrosion involving larynx and trachea with lung | — |
| T27.5 | Corrosion involving larynx and trachea with lung | — |
| T27.5XXA | Corrosion involving larynx and trachea with lung, initial encounter | ✓ |
| T27.5XXA | Corrosion involving larynx and trachea with lung, initial encounter | ✓ |
| T27.5XXD | Corrosion involving larynx and trachea with lung, subsequent encounter | ✓ |
| T27.5XXD | Corrosion involving larynx and trachea with lung, subsequent encounter | ✓ |
| T27.5XXS | Corrosion involving larynx and trachea with lung, sequela | ✓ |
| T27.5XXS | Corrosion involving larynx and trachea with lung, sequela | ✓ |
| T27.6 | Corrosion of other parts of respiratory tract | — |
| T27.6 | Corrosion of other parts of respiratory tract | — |
| T27.6XXA | Corrosion of other parts of respiratory tract, initial encounter | ✓ |
| T27.6XXA | Corrosion of other parts of respiratory tract, initial encounter | ✓ |
| T27.6XXD | Corrosion of other parts of respiratory tract, subsequent encounter | ✓ |
| T27.6XXD | Corrosion of other parts of respiratory tract, subsequent encounter | ✓ |
| T27.6XXS | Corrosion of other parts of respiratory tract, sequela | ✓ |
| T27.6XXS | Corrosion of other parts of respiratory tract, sequela | ✓ |
| T27.7 | Corrosion of respiratory tract, part unspecified | — |
| T27.7 | Corrosion of respiratory tract, part unspecified | — |
| T27.7XXA | Corrosion of respiratory tract, part unspecified, initial encounter | ✓ |
| T27.7XXA | Corrosion of respiratory tract, part unspecified, initial encounter | ✓ |
| T27.7XXD | Corrosion of respiratory tract, part unspecified, subsequent encounter | ✓ |
| T27.7XXD | Corrosion of respiratory tract, part unspecified, subsequent encounter | ✓ |
| T27.7XXS | Corrosion of respiratory tract, part unspecified, sequela | ✓ |
| T27.7XXS | Corrosion of respiratory tract, part unspecified, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code T27?
T27 is an ICD-10-CM category covering Burn and corrosion of respiratory tract. It contains 64 more specific diagnosis codes, 48 of which are billable.
Is T27 a billable code?
No — T27 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example T27.0 — Burn of larynx and trachea). 48 of the 64 codes under T27 are billable.
What codes fall under T27?
T27 includes T27.0, T27.0, T27.0XXA, T27.0XXA, T27.0XXD, plus 59 more. See the full list with descriptions and billable status above.
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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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