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 Congenital malformations of ear causing impairment of hearing==
 * Excludes1: congenital deafness (H90.-)
 * Q16.0 Congenital absence of (ear) auricle
 * Q16.1 Congenital absence, atresia and stricture of auditory canal (external)
 * Congenital atresia or stricture of osseous meatus
 * Q16.2 Absence of eustachian tube
 * Q16.3 Congenital malformation of ear ossicles
 * Congenital 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
 * Congenital anomaly of membranous labyrinth
 * Congenital anomaly of organ of Corti
 * Q16.9 Congenital malformation of ear causing impairment of hearing, unspecified
 * Congenital absence of ear NOS

Q17 Other congenital malformations of ear

 * Excludes1: congenital malformations of ear with impairment of hearing (Q16.0- Q16.9)
 * preauricular sinus (Q18.1)
 * Q17.0 Accessory auricle
 * Accessory tragus
 * Polyotia
 * Preauricular appendage or tag
 * Supernumerary ear
 * Supernumerary lobule
 * Q17.1 Macrotia
 * Q17.2 Microtia
 * Q17.3 Other misshapen ear
 * Pointed ear
 * Q17.4 Misplaced ear
 * Low-set ears
 * Excludes1: cervical auricle (Q18.2)
 * Q17.5 Prominent ear
 * Bat ear
 * Q17.8 Other specified congenital malformations of ear
 * Congenital absence of lobe of ear
 * Q17.9 Congenital malformation of ear, unspecified
 * Congenital anomaly of ear NOS

Q18 Other congenital malformations of face and neck

 * Excludes1: cleft lip and cleft palate (Q35-Q37)
 * conditions classified to Q67.0-Q67.4
 * congenital