Diagnostic Test Directory

Coagulation Laboratory

von Willebrand's Factor Activity

  • LIS Mnemonic: VWAC

    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

    Inadequately filled specimens; hemolyzed/clotted specimens.

Days Performed

Monday - Friday

Reported

5 Days

Reflex Testing

N/A

CPT

85245

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