Test Name
Von Willebrand Multimers
Alternate DescriptionVon Willebrand Factor (Multimer Analysis)
LIS CodeVWF
Lab Section
Specimen Processing Area
Fluid TypePlasma
Specimen Tube Type Transport
Blue Top Tube
Container Whole Blood Required4 ml whole blood in a Sodium Citrate Blue Top Tube
Summary Test NameVon Willebrand Multimer
Specimen Preparation OutreachNot available as an outreach test. Send patient to UPC laboratory for blood collection.
Minimum Volume1.0 ml plasma
Specimen TransportFrozen
Specimen Preparation In HouseSpin at the highest speed for 10 minutes. Remove plasma to a plastic tube, using a plastic pipette. Spin again and pipette platelets poor plasma into 2 plastic screw capped vials. (0.5 ml of plasma for each aliquot). Freeze immediately at -70 degrees.
Reference ValueAccompanies report
