Do not use to monitor thiamine supplementation. Use to determine thiamine deficiency.
Specimen Collection Requirements
Whole Blood, one green (sodium or lithium) or lavendar (EDTA) top tube
CRITICAL FROZEN. Protect from light within one hour of collection and during storage and shipment.
Transfer whole blood to transport tube. Separate specimens must be submitted when multiple tests are ordered.
Frozen and protected from light
Any specimen other than whole blood. Plasma separator tubes. Glass tubes. Clotted or non-frozen specimens.
Ambient: Unacceptable, Refrigerated: 4 hours, Frozen: 6 months
Whole blood is the preferred specimen for thiamine assessment. Approximately 80 percent of thiamine present in whole blood is found in red blood cells.
High Performance Liquid Chromatography
Monday, July 31, 2017 03:14:52 PM
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