Specimen:
Collect
- Two Blue Top (Na Citrate)
Submit
- 2 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: 8 Hour(s); Frozen: 2 Week(s); Incubated: Unacceptable
Methodology
- Qualitative Solubility Assay
Performed
Sun-Sat
Reported
3-4 Day(s)
CPT Codes
- 85291
Interpretive Data
Please see report for interpretive data.
Components
- 91568 - FACTOR XIII QUAL
- 91569 - FACTOR XIII 1:1
Last Updated: May 8, 2025 @ 9:13 am
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