- VITB1
Vitamin B1 (Thiamine)
Specimen:
Test Code
VITB1
Specimen Name
Vitamin B1 (Thiamine)
Collect
1-Green Top (Na-Heparin or Lithium Heparin) Also acceptable EDTA
Submit
3 mLs (Min: 1 mL) Whole Blood CRITICAL FROZEN
Special Handling
Freeze within one hour of collection. EDTA whole blood tubes will be accepted if frozen, but not preferred. Separate specimens must be submitted when multiple tests are ordered.
Rejection Criteria
Any specimen other than whole blood. Plasma separator tubes. Glass tubes. Clotted or nonfrozen specimens.
Stability
Ambient Unacceptable; Refrigerated Unacceptable; Preferred CRITICAL FROZEN 6 months
Methodology
Quantitative High Performance Liquid Chromatography (HPLC)/Liquid Chromatography-Tandem Mass Spectrometry
Performed
Sunday - Saturday
Reported
3-6 days
CPT Codes
- 84425
Components
—
Additional Information
Whole blood is the preferred specimen for thiamine assessment. Approximately 80 percent of thiamine present in whole blood is found in red blood cells.
Disclaimer:
It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date. Updated test information can only be guaranteed by using this website.
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Common Lab Definitions
- Serum
- Plasma
- STT