Factor VIII Inhibitor Screen

Synonym(s)	Coagulation Inhibitor Screen, Acquired Haemophilia Screen
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 tube must be FULL Separated plasma - 1mL
Add-on conditions	4 hours @ 4°C
Test Availability	Mon - Fri 0800 - 1700
Turnaround Time	Hastings 1 - 2.5 hours / Central HB 6 - 8 hours / Wairoa 12 hours
Where analysed	Hastings
Department	Haematology, (06) 878 1308 ext. 2445
Registration Code	HINH
Deletion Code	7182
Useful Information
Measurement Uncertainty	N/A
Lab Notes	One 2.7ml citrated (BLUE top) collection tube is required. The sample is registered for an Inhibitor (registration code HINH) and/or Factor VIII (registration code HF8) which will also register an APTT. Note Inhibitor ASSAYS are different and are referred to CHL.