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ORPHA:93976Morphological anomaly
What it is
A congenital malformation of the external ear and the most extreme form of microtia characterized by the complete absence of the external ear and auditory canal, conductive hearing loss, attention deficit disorders and delayed language development.
Key facts
- Prevalence
- <1 / 1 000 000 (France)
- Age of onset
- Infancy, Neonatal
- Classified as
- Morphological anomaly
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
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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