(Fluorescence Immunoassay D-Dimer) (Product Code: SC-1583-20). A rapid test for measuring D-Dimer in whole blood or plasma with the use of SCREEN fluorescence Immunoassay Analyzer. For professional in vitro diagnostic use only. The D-Dimer Test Cassette (Whole Blood/Plasma) is based on Fluorescence Immunoassay to measure D-Dimer in whole blood or plasma as an aid in the diagnosis of DVT and PE. The D-Dimer Test Cassette (Whole Blood/Plasma) detects D-Dimer based on Fluorescence Immunoassay. The sample moves through the strip from sample pad to absorbent pad. If the specimen contains D-Dimer, it attaches to the fluorescent microspheres-conjugated anti-D-Dimer antibodies.