Thrombin converts fibrinogen in plasma into fibrin forming a clot. Thrombin time is a screening coagulation test designed to assess fibrin formation from fibrinogen in plasma.
Send whole blood sample(s) at room temperature as soon as possible.
If specimens cannot be shipped immediately, centrifuge and separate plasma within 1 hour of collection, send frozen plasma on dry ice
Adult: 14.0-21.0 sec
Full-term Infant at Birth: 19.0 – 28.3 sec
Premature Infant of 30 to 36 Weeks gestational age: 19.2-30.4 sec In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.