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False-positive human chorionic gonadotropin levels caused by a heterophile antibody with the immunoradiometric assay
J H Check1, K Nowroozi, J S Chase
1Department of Obstetrics and Gynecology, Jefferson Medical College of Thomas Jefferson University, Philadelphia, PA.
American Journal of Obstetrics and Gynecology
|January 1, 1988
Abstract:
A case of a false-positive test for the beta-subunit of human chorionic gonadotropin as performed by the immunoradiometric assay is described. Further studies revealed that this problem was secondary to a cross-reacting heterophile antibody.