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2N VWD (Normandy) Binding Assay

Source Blood
Mnemonic F8ELR
 
Specimen Requirements Test cannot be collect by Mobile Collection Service (MCS).

1-2 x 4.5 mL glass blue top sodium citrate tubes
 
Specimen Handling

PSC & RRL:
Send specimens UNSPUN at room temperature to DSC Molecular Hematology within 4 hours of collection.

Extra-regional:
Centrifuge blue top tubes at 4ºC + 2ºC, at 3500 rpm for 20 minutes, and aliquot plasma into 4 plastic tubes. Freeze and transport frozen to DSC Molecular Hematology.

DSC Accession:
After 16:30, centrifuge at 4ºC + 2ºC, at 3500 rpm for 20 minutes, aliquot plasma into 4 plastic tubes, and freeze aliquots at -70ºC.  Do not discard original tube with cells; store at 4ºC.
 

Additional Information

Call Molecular Hematology at 403-770-3699 to book testing. Test can only be ordered by a Hematologist.

Specimens must be accompanied by a copy of the original requisition, complete with patient history.
 

Testing Location Molecular Hematology
Testing Frequency
Alternate Name(s) 2N Von Willebrand Disease, Normandy Defect, Factor VIII Binding Assay, VWD (Normandy) Binding Assay
 
Reference Interval