An Overview of Laboratory Testing for Antiphospholipid Antibodies

Testing for the lupus anticoagulant: the good, the bad, and the ugly

“…These tests are often performed in immunology laboratories using serum or plasma samples. These immunological assays are “calibrated” against a standard, and the titer of aPL can be identified [ [3] , [4] , [5] , [6] , [7] , [8] ]. Higher titer antibodies are more often associated with adverse clinical events, such as thrombosis, than lower titer antibodies [ 3 ].…”