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Factor VIII Activity - Chromogenic

Order Code: 1135 Get Requisition Form
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Test Information
The chromogenic factor VIII activity assay uses bovine reagents, is insensitive to emicizumab and lupus anticoagulant, and is adversely affected by the presence of direct factor X inhibitors or high concentrations of heparin.
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Also Known As
  • AHF
  • Anti-Hemophilic Factor
  • Emicizumab
  • F8
  • Factor 8
  • Factor VIII
Disease State Icon
Disease State
Test Type Icon
Test Type
Functional/Serologic Test
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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
Two 0.4 mL aliquots
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Additional Sample Information
Cannot be refrozen
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Shipping Information
CPT Codes Icon
CPT Codes
  • 85130
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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.
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Research investigators, postdoctoral fellows and laboratory staff at Versiti Blood Research Institute and Diagnostic Laboratories.
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