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Beaumont Laboratory

Thiamin, Blood

Vitamin B1, Thiamine, WARDE: VB1WB, EPIC: LAB6159, SOFT: XTHW

Instructions

Do not use this test to monitor thiamine supplementation. Use this test to determine thiamine deficiency.

Specimen Collection Criteria

Collect (preferred): One Dark Green-top Sodium Heparin tube.
Also acceptable: One Lavender-top EDTA tube.

  • Protect specimen from light.
  • Send specimen to the Laboratory for processing immediately after collection.

Physician Office/Drawsite Specimen Preparation

Protect specimen from light. Do not centrifuge. Send specimen to the Laboratory for processing immediately after collection.

Preparation for Courier Transport

Transport: 2.0 mL light-protected whole blood, refrigerated (2-8°/36-46°F or below). (Min: 1.0 mL)

Rejection Criteria

  • Clotted specimens.
  • Centrifuged specimens.
  • Specimens not light-protected.
  • Specimens not collected and processed as indicated.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): 24 hours
Frozen (-20°C/-4°F or below): 2 months

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Sendout Laboratory with any questions.

Laboratory

Sent to Warde Medical Laboratory, Ann Arbor, MI.

Performed

Monday - Thursday.
Results available in 3-5 days.

Reference Range

By report.

Test Methodology

Quantitative High Performance Liquid Chromatography (HPLC).

CPT Code

84425.

Test Codes

WARDE: VB1WB, EPIC: LAB6159, SOFT: XTHW

Last Updated

07/16/2017

Microtainer® and Vacutainer® are registered trademarks of Becton, Dickinson and Company.
UroVysion® is a registered trademark of Abbott Laboratories. ThinPrep® is a registered trademark of Hologic, Incorporated.

This directory currently reflects information only for specimens collected and/or processed at the Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.