Specimen:
Collect
- One Green Top (Li Heparin)
Also Acceptable:
- One Green Top (Na Heparin)
Submit
- 0.5 mL (Min:0.3 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
Also Acceptable:
- 0.5 mL (Min:0.3 mL) Plasma in Standard Transport Tube. Submit Frozen. Submit in a Standard Transport Tube.
Special Handling
- Critical Frozen
- Fasting Specimen is Preferred
- Place specimen in ice bath immediately after collecting. Centrifuge, transfer plasma and freeze within 1 hour of collection. Transfer plasma to an Amber Transport Tube.
Thawing and refreezing of the specimen and exposure to light will result in decreased Vitamin C concentration.
Rejection Criteria
- Body fluid
- EDTA plasma
- Grossly Hemolyzed Samples
- Whole blood
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 Month(s); Incubated: Unacceptable
Methodology
- Quantitative High Performance Liquid Chromatoqraphy-Tandem Mass Spectrometry
Performed
Sun-Sat
Reported
2-7 Day(s)
CPT Codes
- 82180
Components
- 91446 - VITAMIN C
Last Updated: February 6, 2025 @ 10:13 am
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