When is a von Willebrand factor antigen (vWF:Ag) assay indicated?

Updated: Nov 05, 2019
  • Author: Vadim Kostousov, MD; Chief Editor: Eric B Staros, MD  more...
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Answer

Answer

vWF:Ag (in conjunction with vWF:RCo and factor VIII activity) is indicated for the following:

  • Diagnosis of vWD

  • Differentiation of vWD subtypes

  • Differentiation of vWD from hemophilia A

  • Monitoring therapy of vWD


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