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Start free with EleplanAlagille syndrome due to 20p12 microdeletion
ORPHA:261600Etiological subtype
Also called Alagille syndrome due to del(20)(p12) · Alagille syndrome due to monosomy 20p12 · Alagille-Watson syndrome due to monosomy 20p12 · Arteriohepatic dysplasia due to monosomy 20p12 · Syndromic bile duct paucity due to monosomy 20p12
What it is
Orphanet has not published a description for this disease yet. The identifiers, classification and cross-references below are still current.
Key facts
- Inheritance
- Not applicable
- Classified as
- Etiological subtype
Recorded for the broader condition
- Prevalence
- 1-9 / 100 000 (Australia)Alagille syndrome
- Age of onset
- All agesAlagille syndrome
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.
Gene
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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