2 - 6 days
Test Updated:
FC1EQ
Hereditary Angioedema (HAE)
HAE (Hereditary Angioedema)
Complement C1 Esterase Inhibitor, Functional
Functional C'1 Esterase
C1 Esterase Inhib, Functional
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Test Overview
Enzyme Immunoassay (EIA)
The diagnosis of C1 esterase inhibitor deficiency (hereditary angioedema) or monitoring response to therapy. If C1 Esterase Inhibitor Quantitation is low, it is not necessary to do the functional assay, as it will also be low.
Normal: >67%, Equivocal: 41 - 67%, Abnormal:
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.