###### Q16 Congenital malformations of ear causing impairment of hearing
**_Excl.: congenital deafness (H90.-)_**

**Q16.0 Congenital absence of (ear) auricle**

**Q16.1 Congenital absence, atresia and stricture**

**of auditory canal (external)**
Atresia or stricture of osseous meatus

**Q16.2 Absence of eustachian tube**

**Q16.3 Congenital malformation of ear ossicles**

Fusion of ear ossicles

**Q16.4 Other congenital malformations of middle**

**ear**
Congenital malformation of middle ear NOS

**Q16.5 Congenital malformation of inner ear**

Anomaly:

    - membranous labyrinth

    - organ of Corti