von Willebrand Comprehensive Panel

Test Code
VWCPNL


Alias/See Also
FAC8
VWACT
VWAG


Includes
Includes the individual tests:
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)


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


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.