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Vitamin B1

Referred out for testing

Source Blood
Mnemonic VITB1
Specimen Requirements

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

1 x 4 mL lavender top EDTA tube

Minimum Whole Blood Volumes for Microcollections

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

CLS staff: Collect specimen and transport to DSC Accession on ice. DSC Referrals will oversee the physician approval process.

Note to ordering physician: This test requires review and approval by CLS Medical & Scientific Staff.  Please contact CLS Referrals 403-770-3285 for further information on the approval process.

Specimen Handling

PSC and RRL:
Transfer whole blood into amber aliquot tube, with opaque lid. Transport whole blood on ice to DSC. Send specimen in a separate bag with a photocopy of the requisition.

Extra-regional:
Transfer whole blood into amber aliquot tube, with opaque lid. Freeze aliquot and transport to DSC on dry ice. Send specimen in a separate bag with a photocopy of the requisition.

DSC:
Freeze specimens upon receipt in lab; ensure frozen specimens do not thaw.

Additional Information
Testing Location In-Common Laboratories
Testing Frequency
Alternate Name(s) Thiamine
Reference Interval