Specimen:
Collect
- One Lavender (EDTA)
Also Acceptable:
- One Green Top (Li Heparin)
- One Green Top (Na Heparin)
- One Pink Top (EDTA)
Submit
- 3 mL (Min:0.6 mL) Whole blood in Lavender (EDTA). Submit Frozen. Submit in a Standard Transport Tube.
Also Acceptable:
- 3 mL (Min:0.6 mL) Whole blood in Green Top (Li Heparin). Submit Frozen. Submit in a Standard Transport Tube.
- 3 mL (Min:0.6 mL) Whole blood in Green Top (Na Heparin). Submit Frozen. Submit in a Standard Transport Tube.
Special Handling
- Collect in plastic container only.
- Critical Frozen
- Separate aliquot required for each frozen test ordered
Rejection Criteria
- Any specimen other than whole blood. Glass tubes. Clotted or non-frozen specimens. Plasma separator tubes.
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 Month(s); Incubated: Unacceptable
Methodology
- Liquid Chromatography Tandem Mass Spectrometry
- Quantitative High Performance Liquid Chromatography
Performed
Sun-Sat
Reported
3-6 Day(s)
CPT Codes
- 84425
Components
- 91227 - VITAMIN B1
Last Updated: December 7, 2025 @ 10:13 am
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