T27.6 — Corrosion of other parts of respiratory tract
T27.6 is a non-billable header ICD-10-CM code for corrosion of other parts of respiratory tract. 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
T27.6 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How T27.6 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to T27.6.
- Corrosion›respiratory tract›specified part NEC
Code to one of these instead T27.6
3 child codes. Green means billable.
Related codes at this level
Codes that share T27. If T27.6 is not quite right, the correct code is usually one of these.
- 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
- T27.7Corrosion of respiratory tract, part unspecified
Questions about T27.6
- Is T27.6 a billable ICD-10-CM code?
- No. T27.6 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T27.6 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Burns and corrosions confined to eye and internal organs (T26-T28).