This kit is applicable to the in vitro quantitative determination of D-dimer (D-D) in human plasma/whole blood samples and is mainly used for implementing auxiliary diagnosis of venous thrombus and disseminated intravascular coagulation as well as monitor thrombolytic therapy. This kit only provides test result of D-dimer (D-D). The obtained result should be analyzed in combination with other clinical information. It must only be used by healthcare professionals.