Specimen:
Collect
- One Blue Top (Na Citrate)
Submit
- 1.5 mL (Min:1 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
Special Handling
- Critical Frozen
- Separate specimens must be submitted when multiple tests are ordered.
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
Performed
Sun-Sat
Reported
2-3 Day(s)
CPT Codes
- 85306
Components
- 91190 - PROTEIN S, FUNCT
Last Updated: October 26, 2025 @ 9:13 am
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