2 - 6 days
Hereditary Angioedema (HAE)
HAE (Hereditary Angioedema)
Complement C1 Esterase Inhibitor, Functional
Functional C'1 Esterase
C1 Esterase Inhib, Functional
Looking to order a test?
We’ve provided helpful links to make ordering easy.Find a Requisition
All specimens should be accompanied by a requisition.Submitting Specimens
Learn about how to properly label and where to ship specimens.Order Kits and Supplies
MLabs provides all the supplies necessary for the collection of specimens.Test FAQ
Visit our provider FAQ and learn about common questions to ordering tests.
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.