D-Dimer Determination Reagent(Latex Immunoturbidimetry)  is an in vitro diagnostic quantitative test kit. Measurement of D-Dimer is used as an aid in detecting the presence of intravascular coagulation and fibrinolysis. This kit is indicated for use in conjunction with a clinical pretest probability (PTP) assessment model to exclude deep vein thrombosis (DVT) and pulmonary embolism (PE) in outpatients suspected of DVT or PE.