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Laboratory Medicine

Test catalogue

Vitamin B6

Test Name

Vitamin B6

Lavender Tube Specimen Type/Requirements

Container Type = 1 Lavender Top

Minimum Volume = 3mL Blood

Specimen Handling

Collection Instructions: Collect sample in lavender top (EDTA). Protect specimen from light. Specimen must be labelled inside and outside light-protecting wrap. Write your initials, date and time of collection on the collection label or requisition.

Laboratory Staff Instructions: Separate and freeze within 1 hour and send frozen. Thawing of samples should be avoided

Rejection Criteria: Gel separator, not protected from light grossly hemolyzed and icteric samples, Unlabeled or Not Sufficient Quantity samples.

Stability: Stable for 2 months frozen.

Transportation: Send sample to core lab protected from light as soon as possible.

Required Documentation

Turnaround Time (TAT)

10 Days

Test Utilization

Reference Value

Therapeutic: 20 -96 nmol/L

Test Code

B6

Methodology

LC-MS/MS

Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: July 24, 2020