AQT90 FLEX D-dimer Clinical Sensitivity and Specificity

Inclusion Criteria: * Subject is 18 years of age and older * Subject, who presents with signs and symptoms of VTE and had low or moderate pre-test probability of DVT or PE assessed by Well's score * Subject must be able to understand information given, and be willing and able to voluntarily give their consent to participate in this study Exclusion Criteria: * Subject, who is pregnant * Subject, who has received fibrinolytic therapy within the previous seven days * Subject, who has received treatment with anticoagulants (unfractionated heparin, LMWH, VKA (vitamin K-antagonists), DOACs (direct oral anticoagulants) within the previous seven days * Subject, who has had trauma or surgery within the previous four weeks * Subject with malignancy * Subject with disseminated intravascular coagulation (DIC) * Subject, who has an invalid written informed consent or has withdrawn consent