How is Hereditary Angioedema (HAE) diagnosed?
Most cases of angioedema turn out to not be HAE, because most swelling attacks are typically allergic reactions, or swellings caused by something other than C1-inhibitor deficiency.
Laboratory analysis of blood samples or genetic testing is required to establish the HAE diagnosis. There are two specific blood tests that confirm HAE:
- C1-inhibitor quantitative (antigenic)
- C1-inhibitor functional
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