CD40LG and antiphospholipid syndrome: These investigations revealed strong compatibility with antiphospholipid syndrome: anti-b2 GP1 IgG: 55.5 U/mL, anti-b2 GP1 IgM: 60 U/mL, anticardiolipin IgG > 150 U/mL, and anticardiolipin IgM: 53.3 U/mL (all values should be <20 U/mL).