LMWH, low-molecular-weight-heparin; AT, antithrombin III; VKAs, vitamin K antagonists; HIT, heparin-induced thrombocytopenia; DOACs, direct oral anticoagulant; ASA, aspirin; NOACs, novel-oral-anticoagulants or non-vitamin K antagonist-oral anticoagulants; DTI, direct thrombin inhibitors. This evidence concerns the gene SERPINC1 and Thrombocytopenia.