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
Last Updated: April 23, 2025 @ 5:31 pm
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