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. Transfer whole blood to transport tube. Separate specimens must be submitted when multiple tests are ordered.
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
Thursday, March 14, 2019 12:51:15 PM
Client Services: 503-413-1234