CD40LG and autoimmune polyendocrinopathy: The laboratory criteria for APS include the detection of lupus anticoagulant (LA), IgG/IgM anticardiolipin antibodies (aCL) with titers >40 GPL or MPL or >99th percentile or IgG/IgM anti-β2glycoprotein-1 (aβ2GPI) antibodies with titers >40 AU or >99th percentile.