7 - 10 days
Test Updated:
Factor to sDS Gel Polymers
sDS Gel Electrophoresis
von Willebrand Factor Polymers
PLYM
VON WILLEBRAND FACTOR MULTIMER
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Test Overview
sDS Gel Electrophoresis
Useful for detecting variant forms of von Willebrand disease and confirmation of diagnosis.
Interpretive report provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect specimen in blue top (citrate) tube. Centrifuge specimen and aliquot citrate platelet-poor plasma into a plastic tube. Centrifuge plasma again and aliquot platelet-poor plasma into 2 plastic vials (no glass); vials should contain a minimum of 0.5 ml each. Freeze plasma immediately at <40 degrees C. Transport frozen specimen on dry ice. Specimen should be collected prior to coagulation factor replacement therapy. Proper collection and handling of specimens is critical; see Coagulation tab of the handbook to ensure that the proper technique is used. Please provide Factor VIII Assay, von Willebrand Factor Activity (Ristocetin Co-Factor), and von Willebrand Factor Antigen (Factor VIII Related Antigen) results from the same specimen collection if available.
