3020171
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von Willebrand Factor Multimeric Panel

VW COMP

Ordering Recommendation

Not recommend except in suspected cases of acquired von Willebrand disease (VWD) or high suspicion of VWD. Preferred initial test is von Willebrand Reflex Profile with reflex to von Willebrand Multimeric Analysis (3020170).

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Lt. blue (sodium citrate). refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.

Specimen Preparation

Transfer 3 mL platelet-poor plasma to an ARUP standard transport tube. (Min: 1.5 mL)

Storage/Transport Temperature

CRITCIAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.

Unacceptable Conditions

Serum, EDTA plasma, clotted or hemolyzed specimens.

Remarks
Stability

Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 3 months.

Methodology

Clotting / Microlatex Particle-Mediated Immunoassay / Quantitative Immunoturbidimetry

Performed

Sun-Sat

Reported

1-11 days

Reference Interval

Interpretive Data

von Willebrand Factor Multimers (0092281) is added automatically to all orders and is performed along with the panel. However, due to the longer turnaround time for multimers testing, the multimers result is reported and charged separately.

Compliance Category

Laboratory Developed Test (LDT)

Note

von Willebrand Factor Multimers (0092281) is automatically added to all orders and is reported and charged separately.

Hotline History

View Hotline History

 

Hotline History

Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
01/20/2026
X
N/A

CPT Codes

85240; 85246; 85397; VW multimers added separately 85247

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Components

Component Test Code* Component Chart Name LOINC
0030095 Factor VIII, Activity 3209-4
0030285 von Willebrand Factor, Antigen 27816-8
3019857 von Willebrand Factor, Activity (GPIbM) 107372-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Factor VIII
  • Vactor VIII, Activity
  • GPIbM
  • von Willebrand Factor (VWF) Activity
  • von Willebrand Factor Antigen
  • von Willebrand Multimeric
  • vW Activity
  • vW multimeric
  • vWAg
  • VWF:A
von Willebrand Factor Multimeric Panel