T27.5XXS Corrosion involving larynx and trachea with lung, sequela

Instructional Notes:

T27.5XXS
Description: Corrosion involving larynx and trachea with lung, sequela
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T27.5
Description: Corrosion involving larynx and trachea with lung
Code First:
- (T51-T65) to identify chemical and intent
↓
T27
Description: 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)
↓
T26-T28
Description: Burns and corrosions confined to eye and internal organs (T26-T28)
↓
S00-T88
Description: Injury, poisoning and certain other consequences of external causes
Exclude2:
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Notes:
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Use Additional Code:
- code to identify any retained foreign body, if applicable (Z18.-)