- VWP
von Willebrand Factor (vWF) Screen
Test Code
VWP
Specimen Name
von Willebrand Factor (vWF) Screen
CPT Codes
- 85240
- 85244
- 85245
Collect
Sodium Citrate Plasma
Stability
CRITICAL FROZEN
Volume
4 - 0.5 mL aliquots
Minimum Volume
2 - 0.5 mL aliquots
Performed
Performed Monday through Friday - Reported 1-4 days
Components
—
Additional Information
The presence of Rheumatoid Factor over 50 IU/mL may produce an overestimation of VW antigen results.
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Test Information
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Common Test Phrases
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Common Lab Definitions
- Serum
- Plasma
- STT