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Name of Test
vWF Activity
Alternate Names
164509 LC, VonWillebrand Factor Activity
SoftLab Order Code
VWFA
Epic Order Name
VON WILLEBRAND FACTOR (VWF) ACTIVITY, REF LAB LC 164509
Epic Order ID
LAB331
Laboratory
RefLab
Sample Type
Plasma
Collection Container
Blue Top (Sodium Citrate - Light blue)
Collecting Volume
2 full light blue top tubes
Minimum Collecting Volume
1 full light blue top tube
Storage or Stability
Frozen
Causes For Rejection
Gross hemolysis; clotted specimen; frozen specimen thawed in transit
Patient Preparation
Avoid warfarin (Coumadin(R)) therapy for two weeks and heparin therapy for two days prior to the test. Do NOT draw from an arm with a heparin lock or heparinized catheter.
 
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