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Laboratory Medicine

Test catalogue

Vitamin B1, Whole Blood

Test Name

Vitamin B1, Whole Blood

Lavender Tube Specimen Type / Requirements

Container Type = 1 Lavender (EDTA)

Minimum Volume = 2 mL Whole Blood

Tubes must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Collect in 1 lavender top tubes (EDTA). Protect sample from light. Ensure sample is labelled both inside and outside the foil wrapper. Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions: Do not spin sample. Protect from light. Transfer to amber vial and freeze immediately (within 1 hours of collection). Store and send frozen.

Rejection Criteria: Not protected from light, unlabeled or samples of non sufficient quantity

Stability: Stable at room temperature for 2 days, refrigerated for 1 week and frozen for 7 months.

Transportation: Transport on ice to core lab as soon as possible.

Required Documentation

Turnaround Time (TAT)

8 Days

Test Utilization

Reference Value

75 - 225 nmol/L

Test Code




Testing Location

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: July 24th 2020