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Pronunciation: se'ro-poz'i-tiv

Definition: Containing antibody of a specific type in serum; used to indicate presence of immunologic evidence of a specific infection (Lyme disease, syphilis) or presence of a diagnostically useful antibody (rheumatoid arthritis with rheumatoid factor).

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