ICD-11 classes
20 Developmental anomalies
Structural developmental anomalies primarily affecting one...
Structural developmental anomalies of the respiratory system
LA70 — Structural developmental anomalies of the nose or cavum
LA70.2 — Choanal atresia
ICD-11 LA70.2 — Choanal atresia
Any condition in neonates, caused by failure of the nose to correctly develop during the antenatal period. This condition is characterised by narrowing or blockage of the nasal airway by tissue. This condition may also present with chest retraction unless child is breathing through mouth or crying, difficulty breathing, cyanosis, and inability to nurse and breathe at same time.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: