von Willebrand Screen |
Ordering information: | Tests included in screen are VWAG, VWFACT and F8. |
Alternate names: | vWD Assay, vWD Screen, vWF |
Laboratory: | Haematology |
Test Code: | VWAG, VWFACT, F8 |
Specimen types: | Plasma
Blood |
Container types: | | Sodium Citrate |  |
|
Collection Instructions: | Transport specimen at Room Temperature to lab
Specimens for vWD screening kept at room temperature, should be centrifuged and tested within 4 hours of time of collection.
If testing is not complete within 4 hours, plasma should be removed from the cells (6 X 1 mL Eppendorf tubes) and frozen at -20 C for up to 2 weeks or -70 C for up to 6 months.
A frost-free freezer should not be used. |
Notes: | To comply with HIC ruling tests must be requested individually.
2 x Sodium citrate tubes
Includes INR, APTT, von Willebrand Factor, Factor VIII and vW Antigen. |
Frequency: | Fortnightly |
Result Turnaround Time: | 2 weeks |
Reference Interval: | vWF:Ag and vWF:Ristocetin Cofactor Activity (Adult): 50 - 160%
vWF disease investigation for <18 yo, please call laboratory Haematologist to discuss. |
Accessing Results
EMR: Pathology results are available via EMR.
Auscare: If EMR is unavailable, results can be accessed through Auscare. Don’t have an Auscare login? Complete the Auscare User Form.
To access Auscare, see instructions.
Forms & Collection Guides
Consent Form – Non-Medicare Tests
For tests not covered by Medicare. Download Form
Pathology Request Form
Printable referral form for submitting pathology requests. Download Form.
Microbiology Swab Collection Guide
Step-by-step instructions for correct swab collection. Download Guide.
Preferred Order of Draw
Instructions to ensure accurate blood collection and results. View Instructions
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