Von Willebrand Screen

Department

Haematology - Haemostasis

Delphic Registration Code

COAG

Constituent Tests

• Collagen Binding Assay, Plasma
• Factor VIII assay, Plasma
• Von Willebrand Factor Antigen, Plasma
• VWF Activity

Turnaround Time

2 weeks

Test Code

1702

Specimen Type

• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Sodium Citrate (Light Blue Cap)

Preferred Sample Volume (ml)

2.7

No of Samples Required

3

Paediatric Specimen Requirements

Tube/Container Type:

Preferred

• Sodium Citrate (Light Blue Cap)

Preferred Sample Volume (ml)

2.7

Additional Specimen Information

Ambient, sample must arrive within 2 hours of collection

Aliquot Instructions

Sample Type

• Plasma

Minimum Volume (ml)

2.0

Transport to Lab

Frozen

Additional Referral/Aliquot Information

2.0ml of platelet poor plasma(Filtered plasma is not suitable for testing)

Reference Intervals

See individual tests

Test Method

See individual tests

Contact Canterbury Health Laboratories on +64 3 364 0484 or email LabInfo@cdhb.health.nz

Screen includes, FVIII assay, Collagen binding assay, VWF:Ag and VWF Activity
Note a PFA-200 will be performed first on all samples received as whole blood. If the PFA-200 is normal no further testing will be performed unless contacted beforehand
Test Availability Mon - Fri, business hours only

Contact Information

Enquiry Form