Laboratory Test Reference Guide

Laboratory Information

Test Name

Von Willebrand Activity

External Price (excl. GST)

27.77

Specimen Collection

Adult Specimen

3 x 2.7 ml sodium citrate tube (light blue)

Specimen Collection and Transport Protocols

Blood must be collected carefully as activated samples invalidate results

Paediatric Specimen

3 x 1.8 ml paediatric sodium citrate tube (light blue)

Instructions for Referral to Waikato Lab

Aliquot instructions

500uL double spun platelet poor plasma

Aliquot Transport

Send frozen

Test Information

Department

Haematology

Test Availability

Mon - Sun, 24hrs

Reference interval

50-150%

Minimum Volume

500uL double spun platelet poor plasma

Electronic Information

Registration Code

VWFAC

HL7 mapping code

$VWFAC