J663-char group
Airway disease due to specific organic dust
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: bagassosis (J67.1) farmer lung (J67.0) hypersensitivity pneumonitis due to organic dust (J67.-) reactive airways dysfunction syndrome (J68.3)