ICD-11 definition : A condition caused by failure of the tracheal rings to correctly develop during the
antenatal period. This condition is characterized by inspiratory stridor. This condition
may also present with shortness of breath, difficulty feeding, or failure to thrive.
Confirmation is through observation of the stenosis by flexible laryngoscopy.;
ICD-11 inclusion : congenital subglottic constriction of larynx;
A condition caused by failure of the tracheal rings to correctly develop during the
antenatal period. This condition is characterized by inspiratory stridor. This condition
may also present with shortness of breath, difficulty feeding, or failure to thrive.
Confirmation is through observation of the stenosis by flexible laryngoscopy.