Q173-char group
Other congenital malformations of ear
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
Excl.: preauricular sinus (Q18.1)
Excl.: preauricular sinus (Q18.1)