This section deals with the clinical condition hereditary
angioedema, listing the relevant immunological tests, together with
a short explanation of their use.
Relevant immunological tests:
Recurrent abdominal pain and/or deep subcutaneous swellings
without urticaria (particular occurring after minor trauma), often
with family history, may indicate HAE. C4 and C1 inhibitor will be
Uncommonly there may be normal C1INH level with defective
function. If C4 is very low without other explanation and C1INH
normal, C1INH function will be measured.
(Last updated October 8th