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Start free with EleplanIsolated congenital hypoglossia/aglossia
ORPHA:141152Morphological anomaly
What it is
A rare head and neck malformation characterized by congenital partial (hypoglossia) or total (aglossia) absence of the tongue. Patients present feeding and respiratory difficulties, as well as delayed speech development and slurred speech. Taste perception is not severely compromised. Associated features include a characteristic facies due to mandibular transverse arch deficiency, oligodontia, and malocclusion, among others.
Key facts
- Age of onset
- Infancy, Neonatal
- Classified as
- Morphological anomaly
Signs and symptoms
Very common80–99%
4Common30–79%
7These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
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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