The white blood cell count was normal, but the patient had prominent thrombocytopenia with platelets of 68,000/μL, prothrombin time-international normalized ratio (PT-INR) of 1.2, activated partial thromboplastin time (APTT) of 25.3 s, and D-dimer of 73.55 μg/mL. This evidence concerns the gene F2 and Thrombocytopenia.