 Tests for thrombophilia include complete blood count ( with examination of the blood film ) , prothrombin time , partial <unk> time , <unk> test , thrombin time and <unk> time , lupus anticoagulant , anti @-@ cardiolipin antibody , anti @-@ β2 glycoprotein 1 antibody , activated protein C resistance , fibrinogen tests , factor V Leiden and prothrombin mutation , and basal homocysteine levels . Testing may be more or less extensive depending on clinical judgement and abnormalities detected on initial evaluation . 
