What are the reference range findings for anti-beta2-GPI antibodies?

Updated: Jul 22, 2021
  • Author: Tarek Hammad, MD; Chief Editor: Eric B Staros, MD  more...
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ELISA is the test used to detect these antibodies, IgM and IgG isotypes. Per antiphospholipid syndrome diagnostic criteria, these anti-β2 -glycoprotein I antibodies of IgG and/or IgM isotype should be present in the in plasma, in a titer greater than the 99th percentile to be considered a positive test result. [3]

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