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Pronunciation: im'yu-no-as'a, im-yu'no

Definition: Detection and assay of substances by serologic (immunologic) methods; in most applications the substance in question serves as antigen, both in antibody production and in measurement of antibody by the test substance.

Synonym(s): immunochemical assay

See Also: enzyme-linked immunosorbent assay, radioimmunoassay, radioimmunoelectrophoresis, immunologic pregnancy test

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.