Alberta Precision Laboratories

--- Query Results ---

Organization:

Alberta Precision Laboratories

Message Alert:

PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing.

Test Name/Synonym:

Vitamin B1, Whole Blood (Synonym: Thiamine, Thiamine Diphosphate, Thiamine Pyrophosphate)

Ordering Alert:

Note to ordering physician: This test requires review and approval by APL Medical & Scientific Staff.

Collection Alert:

Protect from light by wrapping entire container in foil. Place on ice immediately after collection.

LABID (Connect Care):

LAB5810

Test Code:

NORTH ZONE	ASPEN: MISC
SOUTH ZONE	VITB1

Specimen Type:

Blood

Primary Container:

LAVENDER EDTA

Minimum Collection Volume:

1 mL whole blood

Specimen Collection Requirements:

Protect from light. Label both the container and the foil with a specimen label.

Minimum 10 hour fast is required; collect in the morning before breakfast. Do not consume alcohol, or nutritional supplements containing vitamin B1 (thiamine), within 24 hours of collection. For newborns, specimen is collected just before next feed.

Calgary Zone: Test cannot be collected by Mobile Collection Service (MCS).

Test Resources:

Patient Instructions: Fasting Tests

General Laboratory Requisition – 21302 write test name under “Additional Tests”

Calgary Zone: Microcollection Minimum Whole Blood Volumes

Stability and Storage:

Protected from light

Frozen: One month
Refrigerated: 7 days

Processing:

DO NOT centrifuge or separate specimen. Freeze specimens.
Ensure whole blood remains protected from light by either wrapping entire tube in foil, or transferring whole blood into an amber tube with amber or opaque lid.

Calgary Foothills Medical Centre Accession: Place specimens in container marked “B Vitamins” in freezer. Ensure frozen specimens do not thaw. Pharmacokinetics Lab will pick up specimens from the freezer several times per week.

Transportation:

Transport frozen specimens to Calgary Foothills Medical Centre Accession.
Vitamins B1 and B6 can be performed on the same specimen.

Method:

High Performance Liquid Chromatography (HPLC), Fluorescence detection.

Testing Schedule:

Batched - test performed within 2 weeks of receipt

Reference Interval:

78.0 – 200.0 nmol/L

Testing Area:

TDM/Toxicology

Performing Site:

Foothills Medical Centre

Additional Test Information:

This test is performed by CGY FMC Pharmacokinetics

Last Updated On:

Thursday, July 13, 2023