T27.7 Corrosion of respiratory tract, part unspecified

Non-billable ICD-10-CM code.

Code first

• (T51-T65) to identify chemical and intent

Applies from T27 Burn and corrosion of respiratory tract

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)

7th character note

• The appropriate 7th character is to be added to each code from category T27

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to T27.7

Back-references to T27

• Type 1 Excludes: T66 Radiation sickness, unspecified ("burns (T20-T31)")
• Type 2 Excludes: T67 Effects of heat and light ("burns (T20-T31)")
• Type 2 Excludes: T75 Other and unspecified effects of other external causes ("burns (electric) (T20-T31)")

Diagnosis Index entries for T27.7

• Corrosion (injury) (acid) (caustic) (chemical) (lime) (external) (internal) › respiratory tract

Nearby codes

• 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 (this code)
• 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