Specimen Requirements
Title
Factor VIII Inhibitor
Specimen Requirement
Collect 3 light blue sodium citrate tubes, gently invert 10x, centrifuge and transfer 2.0 mL plasma to 3 separate screw top plastic vials, indicate on each plastic vial plasma/light blue and send frozen on dry ice.
Critical frozen.
Methodology
Clot
Stability
Room temp/Refrigerated: Unacceptable, Frozen: 7 days
Reference Range
The reference range is determined by the performing laboratory and will show on the report.
Turnaround
3-5 days performed Monday-Thursday, Saturday
Clinical Use
Test includes Factor VIII Activity, do not order test code FAC8M with F8IHW.
Test Code
F8IHW