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Start free with EleplanVon Willebrand disease type 2
ORPHA:166081Clinical subtype
What it is
A form of von Willebrand disease (VWD) characterized by a bleeding disorder associated with a qualitative deficiency and functional anomalies of the Willebrand factor (VWF). Depending on the type of functional abnormalities, this form is classified as type 2A, 2B, 2M or 2N.
Key facts
- Prevalence
- 1-9 / 1 000 000
- Age of onset
- All ages
- Inheritance
- Autosomal dominant, Autosomal recessive
- Classified as
- Clinical subtype
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.
Genes reported in subtypes
Orphanet records this gene on 4 more specific entries under this disorder, not on this entry itself:
A well-studied disease is usually split into subtypes, and the gene is curated on whichever one the evidence belongs to. Open a subtype to see which gene goes with it.
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.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
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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