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Start free with EleplanChoanal atresia, bilateral
ORPHA:137920Clinical subtype
What it is
A rare, usually sporadic, congenital nose and cavum anomaly characterized by respiratory distress relieved by crying and rhinorrhea that presents at birth. It is caused by blockade of the nose on both sides by bony or soft tissue formed during embryological development.
Key facts
- Age of onset
- Infancy, Neonatal
- Inheritance
- Not applicable
- Classified as
- Clinical subtype
Recorded for the broader condition
- Prevalence
- 1-9 / 100 000 (Europe)Choanal atresia
Orphanet records these for the broader condition rather than for this specific form. They are a starting point, not a figure for this subtype — subtypes often differ, and some are defined by being rarer than the condition they sit under.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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