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
Disclaimer:
It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date. Updated test information can only be guaranteed by using this website.