von Willebrand Inhibitor Profile
Test Includes
Factor VIII Activity, von Willebrand Factor Antigen, von Willebrand Factor Activity, von Willebrand Activity NP Control, von Willebrand Activity 1:1 NP Mixing Study, von Willebrand Collagen Binding Activity, Collagen Binding Ratio, Pathologist Interpretation
Expected Turnaround Time
1 - 7 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Specimen Requirements
Specimen
Citrated plasma
Volume
Three tubes, 1mL each
Minimum Volume
Two tubes, 1 mL each (Note: This volume does not allow for repeat testing.)
Container
Light blue-top (sodium citrate) tube
Storage Instructions
Ship frozen on dry ice.
Test Details
Methodology
See individual assays