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von Willebrand Factor Antigen

CPT Code(s): 85246
Specimen Required: Patient Preparation:
Collect:Lt. blue (sodium citrate). Refer to Specimen Handling at reliancediagnosticslab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation:Transfer 1.5 mL platelet-poor plasma to an RDL Standard Transport Tube. (Min: 1 mL)
Storage/Transport Temperature:CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Stability:Ambient: 4 hours; Refrigerated: Unacceptable; Frozen at -20°C: 3 months; Frozen at -70°C: 6 months
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Von Willebrand AgVWF Ag
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