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von Willebrand Factor (Factor VIII-Related Antigen), Plasma

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von Willebrand Factor (Factor VIII-Related Antigen), Plasma

Accredited Facility E-report Qualified Specialists

This test measures von Willebrand factor (vWF), a protein important for blood clotting and platelet adhesion. It helps diagnose von Willebrand disease and evaluate bleeding tendencies.

  • If excessive bleeding or bruising occurs.
  • During evaluation of suspected von Willebrand disease.
  • When prolonged bleeding after surgery or dental procedures occurs.
  • During assessment of inherited bleeding disorders.
  • As part of coagulation investigations.
  • No fasting is usually required.
  • A blood sample will be collected into a citrate tube.
  • Inform the healthcare provider about bleeding history or medications.
  • Stress, illness, or pregnancy may affect results.
  • Follow all laboratory instructions before sample collection.
    • von Willebrand Factor (Factor VIII-Related Antigen), Plasma
    No labs currently offering this test.