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HelpThrombin Clotting Time, Plasma
Methodology
Clot Detection
Useful for determination of severe hypofibrinogenemia and presence
of heparin-like anticoagulants, diagnosing and monitoring
disseminated intravascular coagulation and fibrinolysis, and
monitoring thrombolytic therapy.
Performing Laboratory
Institute for Transfusion Medicine
Specimen Requirements
1 light blue-top (sodium citrate) tube (1 mL of sodium citrate
plasma). Separate and freeze specimen immediately. Send specimen
frozen in plastic vial.
Note: If multiple tubes are being drawn,
see “Order of Draw Instructions”
in “Specimen Collection, Preparation, and
Transport” in “General Information.” If only
coagulation studies are being drawn, discard the first 5 mL to 10
mL of whole blood.
Reference Values
16.0-22.0 seconds
Day(s) Test Set Up
Monday through Friday