T173-char group
Foreign body in respiratory tract
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Incl.: asphyxia due to foreign body choked on: food (regurgitated) phlegm inhalation of liquid or vomitus NOS