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Factor VIII Activity - Clot based

Order Code: 1081 Get Requisition Form
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Test Information
This test measures the activity of factor VIII to aid in diagnosis of hemophilia A, acquired factor VIII deficiency, or as part of diagnostic workup for von Willebrand disease (VWD).
Also Known As Icon
Also Known As
  • AHF
  • Anti-Hemophilic Factor
  • F8
  • Factor 8
  • FVIII Procoagulant
  • Hemophilia
  • Hemophilia A
  • Von Willebrand Disease
  • Von Willebrand Factor
  • VWD
  • VWF
Disease State Icon
Disease State
Test Type Icon
Test Type
Functional/Serologic Test
Sample Notes Icon
Sample Notes
Citrated Plasma (light blue top)
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Requested Volume
Two 0.5 ml aliquots
Minimum / Pediatric Volume Icon
Minimum / Pediatric Volume
0.4 ml
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Shipping Information
CPT Codes Icon
CPT Codes
  • 85240
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Turnaround Time
5 days
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New York State Approval
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DEX Z-Code™
Diagnostic Laboratories
Diagnostic laboratory services including HLA testing, donor testing, immunohematology reference lab testing, hematology testing and more.
Hematology Testing
Versiti provides von Willebrand factor tests, aHUS diagnosis, hemophilia lab tests and other laboratory diagnosis of bleeding and clotting disorders.
Our Experts
Research investigators, postdoctoral fellows and laboratory staff at Versiti Blood Research Institute and Diagnostic Laboratories.
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