Diagnostic Test Directory

Coagulation Laboratory

von Willebrands Factor Antigen

  • LIS Mnemonic: VWAN

    Collect

    Blue (Sarstedt - Sodium citrate)

    Volume Required

    One completely filled tube.

    Minimum Required

    One completely filled tube.

    Transport

    Room temperature

    Stability

    Specimen must be received within 4 hours of collection.

    Unacceptable conditions

    Specimens that are inadequately filled; hemolyzed/clotted specimens.

Reported

1 - 4 days

Reflex Testing

ABO Typing

CPT

85244,86900 = ABO typing

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