Choanal atresia

Definition

Choanal atresia (CA) is a congenital anomaly of the posterior nasal airway characterized by the obstruction of one (unilateral) or both (bilateral) choanal aperture(s), with clinical manifestations ranging from acute respiratory distress to chronic nasal obstruction.

Disease data

Classification

Morphological anomaly

ORPHA code

137914

OMIM code

608911

ICD10 code

Q30.0

ICD11 code

LA70.2

*Soruce