Test Category: Haematology
Investigation Name:von Willebrand Screen (vWD factor)
Alias or Abbreviation:VWD screen
Pathology Laboratory:Haematology Ext 88245
Requestable Seperately?No
Part of Profile:VWDS
Tests in Profile:VWFAC, VWFAG, FVIII, CS
E-Requesting Tab:HAEM-Blds
Units:iu/dl
Minimum Sample Volume:3 x 3ml
Expected Turnaround Time:<10 days (batch test unless urgent)
Test Code:VWDS
Sample Type:
Sodium Citrate Tube (Blue top)Maximum Add on Time:4 hours
Complex Reference Range:Reference Range - VWF Antigen 52.2-177.9 iu/dL, VWF Activity 45.6-176.3iu/dL.
Collection Conditions / Other Information:Sample must be centrifuged and plasma frozen within 4 hours of sample being taken. (preferably within one hour of receipt in the laboratory). Please contact laboratory if tests urgent.
Referred to Another Laboratory?No
