Test Directory

Clear All
Test Code
VWMLT
Test Name
von Willebrand Factor Multimers
CPT Codes
85247
Expected Turnaround Time
4 - 8 days
Clinical Utility

von Willebrand Disease is the most common hereditary bleeding disorder and it may also be acquired. Von Willebrand Factor (VWF) is critical for normal hemostasis; mediating platelet adhesion to the damaged endothelium and protecting Factor VIII from proteolytic degradation in circulation. VWF Multimeric Analysis is used to assist in categorizing disease subtype.
Specimen and Container Info

Specimen Type: Platelet-Poor Plasma

Collection Container: Light Blue Top (Sodium Citrate) 

Desired Specimen Volume: 1 mL
Collection Instructions
  1. Collect a light blue top (sodium citrate) tube via venipuncture.
Processing and Submission Instructions

Platelet-Poor Plasma Processing Instructions

  1. Perform platelet-poor plasma processing procedure.
  2. Transfer 1 mL of platelet-poor plasma to a clear aliquot tube (screw cap) and freeze immediately.
  3. Please submit a separate, frozen aliquot tube for each special coagulation test ordered. Do not share aliquot tube with other tests.
Transport Instructions

Transport to the laboratory frozen. 
Stability Requirements

Frozen

 30 days
Methodology
Electrophoresis
Reference Intervals

 See patient report.
Alternate Names
  • Multimeric Analysis
  • vWF Multimer
  • vWF
  • vW Factor Multimeric
Reference Lab
Quest Diagnostics Nichols Institute
Testing Schedule
Monday-Friday
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
© 2026 HNL Lab Medicine. All rights reserved.