Tests:Factor VIII Inhibitor assay

Synonym(s)	Coagulation Inhibitor Assay, Bethesda, Acquired Haemophilia A
Specimen	2 X 2.7 mL sodium citrate tubes ONLY (Must be FULL)
Paediatric Specimen	2.7 mL Sodium Citrate ONLY (Blue top - Must be FULL)
Minimum Volume	Citrate tubes must be FULL Separated plasma - 2mL
Add-on conditions	4 hours @ 4°C
Test Availability	Referred test - Refer to CHL website
Turnaround Time	Referred test - Refer to CHL website
Where analysed	CHL
Department	Haematology, (06) 878 1308 ext. 2445
Registration Code	COAG
Deletion Code	7182
Useful Information
Measurement Uncertainty	N/A
Lab Notes	This is not the same as an inhibitor screen, (screens are done in Hastings). One 2.7ml citrated (BLUE top) collection tube is required. The sample is registered for a sendaway test (registration code COAG) - Refer to senior Haematology staff for advice as other testing may be required.