Thrombocytopenia was associated with the greatest number of antibody positivity (aCL IgG by Y-CLIA, aCL IgM/aβ2GpI IgG/aβ2GpI IgM by W-CLIA, and aβ2GpI IgM by W-ELISA). The gene discussed is CD40LG; the disease is Thrombocytopenia.