Laboratory tests for APS showed LA: 1.4 (upper limit: 1.2) anti-Beta2 glycoprotein IgM: 9.3 MPL U/mL (0–5), anticardiolipin IgM: 7.5 MPL U/mL (0–5), and thrombocytopenia. The gene discussed is CD40LG; the disease is autoimmune polyendocrinopathy.