von Willebrand Panel
Ordering Recommendation
Recommended panel for the initial workup of suspected von Willebrand disease.
Methodology
Electromagnetic Mechanical Clot Detection/Platelet Agglutination/Microlatex Particle-Mediated Immunoassay
Performed
Mon-Sat
Reported
1-3 days
New York DOH Approval Status
Specimen Required
Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Transfer 3 mL platelet-poor plasma to an ARUP Standard Transport Tube. (Min: 1 mL)
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Serum, EDTA plasma, clotted or hemolyzed specimens.
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen at -20 °C: 3 months; Frozen at -70°C: 6 months
Reference Interval
Test Number |
Components |
Reference Interval |
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Factor VIII, Activity |
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von Willebrand Factor, Activity (RCF) |
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von Willebrand Factor, Antigen |
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Interpretive Data
FDA
Note
Hotline History
CPT Codes
85240; 85246; 85245
Components
Component Test Code* | Component Chart Name | LOINC |
---|---|---|
0030095 | Factor VIII, Activity | 3209-4 |
0030250 | von Willebrand Factor, Activity (RCF) | 6014-5 |
0030285 | von Willebrand Factor, Antigen | 27816-8 |
Aliases
- F8 Activity
- Factor VIII activity
- Factor VIII Studies
- von Willebrand Factor Panel
- von Willebrand Factor, Activity; RCF
- von Willebrand Factor, Antgien
- vWF Ag
- vWF Panel