Specimen:
Collect
- Two Blue Top (Na Citrate)
Submit
- 2 mL (Min:1.5 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
Special Handling
- Critical Frozen
- Separate aliquot required for each frozen test ordered
- Separate from cells ASAP
- Centrifuge sample and separate plasma within one hour of collection.
For patients on Low Molecular weight heparin therapy, state type.
Rejection Criteria
- Hemolyzed specimens
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 Month(s); Incubated: Unacceptable
Methodology
- Chromogenic
- Inhibition
Performed
Sun-Sat
Reported
2-4 Day(s)
CPT Codes
- 85520
Components
- 91362 - HEPARIN ANTI-XA
Last Updated: February 7, 2025 @ 10:13 am
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