von Willebrand factor (vWF:Ag)
Days test started:
Specimen Type/Volume1) 1 mL citrated plasma OR 2) 1 mL EDTA plasma.
Shipping InformationFreeze prior to shipment. Ship in insulated container with freezer packs.
Collection ProtocolPlasma must be removed promptly from cells, and placed in plastic screw top vial. Freeze immediately, and ship frozen.
This test is sent to an external laboratory. Shipping (test code: xtrnu), handling (test code: xhand) and accession (test code: xacccor) fees are also applicable on each submission. External test price is subject to change.