Test ID: Z0281
CPT code: 85670
Specimen Type: platelet poor plasma Citrate
Frequency: Setup: Mon-Fri; analytic time 1 day
Instructions: 1.0mL platelet poor plasma from blue tube, frozen in plastic vial.
Double spin plasma. Min 0.5ml
Text: Double spun plasma is critical as platelet contamination may cause
Determine severe hypofibrinogenemia and heparin-like anticoagulants;
diagnosis and monitoring of DIC and fibrinolysis; monitor streptokinase
Methodology: Clot based assay. Measures time of fibrinogen to fibrin conversion
after adding bovine thrombin.