In this section
颁颈迟谤补迟别听Must be venous or arterial collection, NOT capillary
Before ordering this assay, ensure that a Von Willebrand Screen (VWF:Ag, VWF:CB and VWF:RCo) 聽has been ordered previously or with this assay.
The Von Willebrand Multimer Assay should only be ordered if the patient has had a previous Von Willebrand鈥檚 Screen that is abnormal or discrepant. If necessary, consult a Haematologist.
Must arrive in the laboratory within 1 hr of collection.
LAB NOTES:
1. Seperate plamsa and freeze at -70degC. 2. Send to testing laboratory on dry ice.聽Do not pack dry ice in a sealed container. Use appropriate PPE
Add-On Tests - check with Haematology first (see CH-W-148)
6 - 8 weeks