Biomarkers · Chemical
von Willebrand Antigen
- LOINC codes
- 14979-9, 27816-8, 3209-4, 32217-2, 50377-1, 50378-9, 6014-5, 8251-1
- Tests that measure von Willebrand Antigen
- Quest Diagnostics 1
Tests
Check the catalog code, specimen, method and preparation for every test that measures von Willebrand Antigen. Select up to five tests to compare them side by side.
Quest Diagnostics 1 test
Panels that include this biomarker
von Willebrand Disease Panel with Collagen Binding Assay (CBA) 15540
9 analytes · Plasma · Fasting not stated
Quest Diagnostics catalog pageMethod and collection
- Method
- See individual tests
- Collection
- Please submit a separate, frozen vial for each special coagulation assay ordered. Draw blood in a light blue-top tube containing 3.2% sodium citrate, mix gently by inverting 3-4 times. Centrifuge 15 minutes at 1500 g within one hour of collection. Using a plastic pipette, remove plasma, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic vial(s). Freeze immediately and transport on dry ice. Note: Storage of whole blood at refrigerated temperatures prior to processing may lead to cryoprecipitate formation and falsely low Factor ViII and von Willebrand Factor studies.
- Reference notes
- See Laboratory Report
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Quest Diagnostics test catalog
1 test: codes, specimens, methods, preparation and reference intervals.
LOINC 14979-9, 27816-8, 3209-4, 32217-2, 50377-1, 50378-9, 6014-5, 8251-1
Regenstrief Institute codes that identify the same result across labs.
Search ClinicalTrials.gov for von Willebrand Antigen
Registered studies that measure von Willebrand Antigen, on the U.S. National Library of Medicine registry.
Verify these ranges and sources
We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.
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