To
rule out Lupus anticoagulant
Anti-cardiolipin
antibodies
Anti-b2-glycoprotein 1 antibodies
Anti-phosphatidylserine
antibodies
Anti-prothrombin
antibodies
Functional
Protein S assay
Total
and free protein S assayed
C4b-binding
protein immunoassay
Functional
Protein C assays:
Functional
antithrombin assay
Prothrombin
20210A mutation molecular assay