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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 = 3 ml 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

Regular HIS order or Biochemistry requisition required.

Turnaround Time (TAT)

10 Days

Test Utilization

Reference Value

Therapeutic: 20 -96 nmol/L

Test Code




Referred Out – ON, Canada (ROICL02)

Other Information

Last Updated: June 06, 2019