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Factor VIII Inhibitor

Order Code: 1137

Also Known as

AHF, Anti-Hemophilic Factor, Emicizumab, F8, Factor 8, Factor VIII, FVIII

Test Information

The chromogenic factor VIII inhibitor 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.

Sample Requirements

Citrated Plasma (light blue top)

Shipping Information


Requested Volume

1.5 mL

Minimum/Pediatric Volume

1 mL

CPT Codes



Chromogenic Bethesda Titer

Turnaround Time

7 days

New York State Approval



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