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von Willebrand Modified Panel
0030284
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Ordering Recommendation
Order in conjunction with Factor VIII, Activity (0030095) for the workup of suspected von Willebrand disease.
Mnemonic
VW PANEL 2
Methodology
Platelet Agglutination/Microlatex Particle-Mediated Immunoassay
Performed
Mon-Sat
Reported
1-3 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 1.5 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 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 -20°C: 3 months; Frozen at -70°C: 6 months
Reference Interval
| Test Number |
Components |
Reference Interval |
||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0030285 | von Willebrand Factor Antigen |
|
||||||||||||||||
| 0030250 | von Willebrand Factor Activity (Ristocetin Cofactor) |
|
Interpretive Data
Compliance Category
FDA
Note
Hotline History
N/A
CPT Codes
85245; 85246
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 0030250 | von Willebrand Factor, Activity (RCF) | 6014-5 |
| 0030285 | von Willebrand Factor, Antigen | 27816-8 |
* 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
- Ristocetin Cofactor, Plasma
- von Willebrand Ag
- von Willebrand Factor Activity
- von Willebrand Factor Modified Panel
- vwf Modified Panel
von Willebrand Modified Panel
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