Table 1.

When to order antiphospholipid antibodies (aPL) testing, Adapted from [16].

▪History of systemic lupus erythematosus (SLE) or other autoimmune disease

▪Presence of livedo reticularis

▪Prolonged activated partial thromboplastin time (APTT) prior to starting anticoagulation

▪Recurrent thrombosis

▪VTE at unusual sites

▪History of arterial thrombosis without clear risk factors

▪Thrombocytopenia

▪Recurrent miscarriages/still birth/severe pre-eclampsia

▪Cardiac valve abnormalities in the absence of other explanations

Adapted from [17].