Q18.4
Macrostomia
Sibling codes
Q18Other congenital malformations of face and neckQ18.0Sinus, fistula and cyst of branchial cleftQ18.1Preauricular sinus and cystQ18.2Other branchial cleft malformationsQ18.3Webbing of neckQ18.5MicrostomiaQ18.6MacrocheiliaQ18.7MicrocheiliaQ18.8Other specified congenital malformations of face and neckQ18.9Congenital malformation of face and neck, unspecified