W443-char group
Foreign body entering into or through eye or natural orifice
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Cannot be used as primary diagnosis
Coding guidance (WHO 2019)
Excl.: corrosive fluid (X49) inhalation or ingestion of foreign body with obstruction of respiratory tract (W78-W80)