T27.4XXA Corrosion of larynx and trachea, initial encounter
Instructional Notes:
T27.4XXA Description: Corrosion of larynx and trachea, initial encounter ↓
T27.4 Description: Corrosion of larynx and trachea 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.-)