Von Willebrand Screen

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Tests:Von Willebrand Screen
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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