Specimen Requirements

Title

THIAMINE (Vitamin B1)

Specimen Requirement

Draw blood in a Lavender (EDTA) tube. Transfer 1.0 mL whole blood to a screw-capped plastic vial (indicate whole blood and tube type on vial) and freeze. Contact lab for dry ice; once received, ship frozen specimen to lab.

CRITICAL FROZEN

Methodology

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Stability

Frozen 14 Days

Reference Range

By Report*

Turnaround

4-6 Days

Clinical Use

For the assessment of thiamine deficiency.

Test Code

VB1