T27.7
T27.7: Corrosion of respiratory tract, part unspecified
Non-billable headerICD-10-CM
T27.7 is a non-billable header ICD-10-CM code for corrosion of respiratory tract, part unspecified. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T27
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- Corrosion›respiratory tract
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T27.7
3 child codes. Green means billable.
Other codes under T27
- T27.0Burn of larynx and trachea
- T27.1Burn involving larynx and trachea with lung
- T27.2Burn of other parts of respiratory tract
- T27.3Burn of respiratory tract, part unspecified
- T27.4Corrosion of larynx and trachea
- T27.5Corrosion involving larynx and trachea with lung
- T27.6Corrosion of other parts of respiratory tract