2 - 6 days
Thiamin (Vitamin B1), WB
B1, Whole Blood
Thiamine, Whole Blood
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Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Assessment of thiamin deficiency. Thiamin measurement is appropriate in patients with behavioral changes, eye signs, gait disturbances, delirium, and encephalopathy; or in patients with questionable nutritional status, especially those who appear at risk and who also are being given insulin for hyperglycemia.
70 - 180 nmol/L
Collect specimen in a lavender top tube (EDTA) following an overnight (12 hour) fast. Invert 8-10 times to mix blood, pour whole blood into an plastic vial, and freeze. Protect specimen from light.DO NOT SPIN