Unfractionated Heparin

UFH, Anti XA, Heparin
Core Laboratory & Transfusion Medicine
Hematology
Blood
HEPNL

MSH Coagulation requisition form (MS 520)
This chromogenic assay is performed for the quantitative determination of the Unfractionated Heparin (UFH) level.
Plasma (3.2% Na Citrate)
Full draw
Light Blue citrate tube
Collection Containers – Tube Types
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
Fridge: N/A
Centrifuge and separate plasma within 1 hour of collection.
Room Temperature: 4 hours
Freezer: - 20 °C 15 days - 70 °C 6 months
Automated Coagulation Analyzer
24 hours, 7 days/week.
2 hours
4 hours
Therapeutic Range: 0.3 – 0.7 IU/mL 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