Which lab studies are performed in the evaluation of suspected hemophilia A?

Updated: Apr 08, 2020
  • Author: Douglass A Drelich, MD; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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Laboratory studies for suspected hemophilia include the following:

  • Complete blood cell count

  • Screening coagulation studies (prothrombin time [PT], activated partial thromboplastin time [aPTT])

  • FVIII assay

  • FVIII inhibitor assay (Bethesda assay, Nijmegen modified Bethesda assay)

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