Von Willebrand Screen, VWF, Von Willebrand Factor

Name Von Willebrand Screen
Tube TypePurple  (EDTA)Blue x 2 (Sodium Citrate)
Reporting UnitsN/A
Reference Range1.50 – 1.72cps 
AvailabilityReferred to Exeter for analysis.
Target turnaround time28 Days
Special requirements & notesFresh Specimens Required.
Patient preparationN/A
Volume required1 x purple tube, 2 x blue tubes, all must be full.
If delayed transport to lab, store:Must be received in the laboratory within 4 hours of taking the specimens.
Factors affecting result interpretation
Time limit for add on test4 Days
Pathology disciplineHaematology
‘Lab Tests Online’ linkhttps://labtestsonline.org.uk/tests/von-willebrand-factor

Last updated: May 28, 2020