Test Name
VON WILLEBRAND FACTOR ANTIGEN
Aliases
FACTOR VIII COFACTOR ANTIGEN
Abbreviations
VWF
Test Classification
INDIVIDUAL
Department
HEMATOLOGY
Sub Department
COAGULATION
TAT Category
ELAPSED (CONTINUOUS) TIME
Estimated TAT
10
TAT Units
DAYS
Test Requirements
FROZEN, DOUBLE CENTRIFUGED 2mL CITRATED PLASMA required. Collect whole blood in citrate tube(s) i.e. light blue cap vacutainer filled up to the mark, centrifuge, separate plasma, centrifuge plasma, separate & FREEZE supernatant.
For instructions/ further guidance on how to prepare platelet poor plasma, please visit this YouTube video: https://www.youtube.com/watch?v=9z6c8Bgr2EY
SHIPPING/ TRANSPORTATION REQUIREMENTS
Shipping Temperature: Frozen
ANALYTE STABILITY
Room Temperature: N/A │ Frozen: 3 months at -20°C
Clinical Utility
Von Willebrand disease assessment
Last Review
26th Feb 2026