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Start free with EleplanHereditary angioedema type 2
ORPHA:100051Etiological subtype
Also called HAE 2 · HAE-II · Hereditary angioneurotic edema type 2
What it is
Hereditary angioedema type 2 (HAE 2) is a form of hereditary angioedema characterized by acute edema in subcutaneous tissues, viscera and/or the upper airway.
Key facts
- Age of onset
- All ages
- Inheritance
- Autosomal dominant
- Classified as
- Etiological subtype
Recorded for the broader condition
- Prevalence
- <1 / 1 000 000Hereditary angioedema with C1Inh deficiency
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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