c.) Positive finding of antiphospholipid antibodies based on (1) an abnormal serum level of immunoglobulin G (IgG) or immunoglobulin M (IgM) anti-cardiolipin antibodies, (2) a positive test result for lupus anticoagulant using a standard method, or (3) false positive serologic test for syphilis known to be positive for at least 6 months and confirmed by Treponema Pallidum immobilization or fluorescent treponemal antibody absorption test