Laboratory Test Detail

Last Updated: February 1, 2023 @ 10:13 am

91234

Von Willebrand Panel

Specimen:Collect:
  • One Blue Top (Na Citrate)
Submit:
  • 3 mL (Min:1 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
Special Handling:
  • Critical Frozen
  • Separate specimens must be submitted when multiple tests are ordered.
    Frozen: at -70°C: 6 months
Rejection Criteria:
  • Clotted Specimen
  • EDTA plasma
  • Hemolyzed specimens
  • Serum
Stability:Ambient: 4 Hour(s); Refrigerated: Unacceptable; Frozen: 3 Month(s); Incubated: Unacceptable
Methodology:
  • Electromagnetic Mechanical Clot Detection
  • Microlatex Particle-Mediated Immunoassay
  • Platelet Agglutination
Performed:Mon-Sat
Reported:3-5 Day(s)
CPT Codes:
  • 85245
  • 85246
  • 85240
Interpretive Data:Please see report for interpretive data.
Components:
  • 93042 - FACTOR VIII ACT.
  • 93046 - VWF:ACTIVITY
  • 93049 - VWF ANTIGEN
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