Specimen Type: Serum-Foil Wrapped
Container: 1 Serum Red Top Tube
Preferred Vol: 2.00 mL
Min Vol: 1.00 mL
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Tuesday - Saturday
STRICT FROZEN. Separate Serum and Freeze within 1 hour of collectionin plastic vial-use amber container or foil wrap to protect from light.
EDTA plasma from Lavender tube also acceptable; frozen and protected from light.
Vitamin B1 deficiency is most often associated with alcoholism, chronic illness and following gastric by-pass surgery. Prolonged deficiency causes beriberi. Plasma vitamin B1 is useful in evaluating nutritional assessment and compliance, while whole blood vitamin B1 is useful in evaluating body stores.