Q18.1
Preauricular sinus and cyst
Coding guidance (WHO 2019)
Fistula (of): auricle, congenital cervicoaural Pretragal sinus and cyst
Sibling codes
Q18Other congenital malformations of face and neckQ18.0Sinus, fistula and cyst of branchial cleftQ18.2Other branchial cleft malformationsQ18.3Webbing of neckQ18.4MacrostomiaQ18.5MicrostomiaQ18.6MacrocheiliaQ18.7MicrocheiliaQ18.8Other specified congenital malformations of face and neckQ18.9Congenital malformation of face and neck, unspecified