Von Willebrand Disease Screen
VWD
Haemophilia screen
Bleeding Screen
3 x 2.7 mL Citrate tubes (light blue)
For samples within Waikato Hospital, samples must be received in the laboratory within 2 hours of collection and kept at room temperature (NOT on ice or heat).
PFA sample must be WALKED. Do NOT put the sample in the lamson. Sample will be rejected if put through the lamson.
If dispatched from outside Waikato Hospital:
- PFA must be sent to the hospital as a whole blood at room temperature and needs to be tested within 4 hours. Do not put through the lamson.
- Plasma aliquots must be double spun and frozen within 4 hours of collection.
2 x1.5ml frozen double-spun citrated plasma
PFA must be sent directly to Waikato Hospital. Sample is unsuitable for testing after 4 hours. Sample must be WALKED. Do NOT put the sample in the lamson. Sample will be rejected if put through the lamson.
Haematology
Mon - Sun, 24hrs
Batched weekly however Factor VIII, von Willebrand activity and von Willebrand Factor antigen are available urgently as required
A PFA will be performed with all initial VWD investigations performed when samples are collected at Waikato Hospital.
2 x 2.7 mL Citrate tubes (light blue)
VWD
$VWD
