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von Willebrand Comprehensive Panel
Test CodeVWCPNL
Alias/See Also
FAC8
VWACT
VWAG
VWACT
VWAG
Includes
Includes the individual tests:
Factor VIII (FAC8)
von Willebrand Factor Activity (VWACT)
von Willebrand Factor Antigen (VWAG)
Factor VIII (FAC8)
von Willebrand Factor Activity (VWACT)
von Willebrand Factor Antigen (VWAG)
Preferred Specimen
Plasma - Light Blue Top 3.2% Sodium Citrate
Minimum Volume
Must be filled to fill line on tube.
Other Acceptable Specimens
None.
Instructions
Testing must be complete within 4 hours.
Specimen Stability
Room Temperature: 4 hours
Refrigerated: 4 hours
-20°C or below: 30 days (Factor VIII); 2 weeks (von Willebrand Factor Activity and Antigen)
Refrigerated: 4 hours
-20°C or below: 30 days (Factor VIII); 2 weeks (von Willebrand Factor Activity and Antigen)
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens that are clotted, collected in the wrong tube, have visible hemolysis, or have less than the required fill should be rejected.
Setup Schedule
Fridays
Performing Laboratory
Baptist LR Coagulation department
Last Updated: December 3, 2021