MSH Coagulation requisition form (MS 520)
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.
Plasma (3.2% Na Citrate)
Full draw
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
If specimens cannot be shipped immediately, centrifuge and separate plasma within 1 hour of collection, send frozen plasma on dry ice
Fridge: N/A
Room Temperature: 4 hours
Freezer: - 20 °C 2 weeks - 70 °C 6 months
Automated Coagulation Analyzer
24 hours, 7 days/week.
1 hour
4 hours
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.
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.
416-586-4800 Extension 4688
Must indicate anticoagulant status