Von Willebrand Screen

Synonym(s)	VWD, Von Willebrands disease, vWF, vWF:Ag; vWF:RCo; von Willebrand Panel; Ristocetin Cofactor; vWF:RCof; Collagen binding; vWF:CBA
Specimen	2 x 2.7 mL Sodium Citrate ONLY (Blue top - 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 to CHL - refer to CHL website.
Turnaround Time	Referred test to CHL - refer to CHL website.
Where analysed	CHL
Department	Haematology, (06) 878 1308 ext. 2445
Registration Code	AI, HFIB, HF8 and COAG
Measurement Uncertainty	Referred test to CHL - refer to CHL website.
Lab Notes	Two 2.7ml citrated (BLUE top) collection tubes are required. The samples are registered for an INR, APTT, Fibrinogen and FVIII and sendaway test – registration codes AI, HFIB, HF8 and COAG