In This Section

Available Tests

  • Von Willebrand Antigen (VWF Antigen)

Von Willebrand Antigen (VWF Antigen)

Light Blue Top Tube

Tube Type

Test ID   LAB757
CPT Code(s)   85246
Group/Individual Test   Individual
Laboratory   Special Coagulation
Tube Station   30
Specimen Routine: 3.0 mL blood/light blue top tube;  see important Comments
Unspun - 4 hrs
Room Temp - 4 hrs
Refrigerated - NO
Frozen - 6 months
Availability Routine: 2 runs/week; Monday and Thursday
Turnaround Time   3-5 Business Days
Internal Reference Testing & Outreach Handling Instructions Platelet poor plasma (double spun). Aliquot and freeze within 4 hours
Reference Range Normal: 47-157% of Normal

Deliver Immediately


Reviewed by jcayless on November 26, 2019

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514