Ordering Recommendation
Order to assist with diagnosis and subclassification of inherited or acquired von Willebrand disease.
Mnemonic
VWF MULTI
Methodology
Qualitative Electrophoresis
Performed
Mon-Fri
Reported
4-11 days
New York DOH Approval Status
This test is New York DOH 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 1 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature
CRITICAL 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 at -70°C: 6 months; Frozen at -20°C: 3 months
Reference Interval
By report
Interpretive Data
Compliance Category
Laboratory Developed Test (LDT)
Note
Hotline History
N/A
CPT Codes
85247
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0092279 | von Willebrand Factor Multimers | 32217-2 |
* 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
- Von Willebrand factor multimer analysis
- vWF multimer analysis
- VWF multimers
von Willebrand Factor Multimers