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Q30.0

Choanal atresia

Coding guidance (WHO 2019)

Atresia of nares (anterior)(posterior) Congenital stenosis of nares (anterior)(posterior)

Sibling codes

Q30Congenital malformations of noseQ30.1Agenesis and underdevelopment of noseQ30.2Fissured, notched and cleft noseQ30.3Congenital perforated nasal septumQ30.8Other congenital malformations of noseQ30.9Congenital malformation of nose, unspecified