Thrombin Time

Test ID: Z0281

CPT code: 85670
LOINC: 46717-5
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
spurious results.
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.

Test Name

AMS Laboratory

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