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Vitamin B1

Source Blood
Mnemonic VITB1
Specimen Requirements 1 x 4 mL lavender top EDTA tube

Minimum 2.0 mL plasma

Minimum Whole Blood Volumes for Micro-Collections using Microtainers


Protect from light by wrapping entire tube in foil.

CLS staff: collect specimen and transport to DSC Accession, who will forward specimen to Referrals.

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:
Centrifuge, pour off plasma and place on ice within one hour of collection.  Protect tube from light by using amber aliquot tube and lid, or wrap tubes in foil. Transport plasma on ice to DSC. 

Extra-regional:
Centrifuge, pour off plasma and freeze within one hour of collection.  Protect tube from light by using amber aliquot tube and lid, or wrap tubes in foil. Transport frozen to DSC.

DSC:
Freeze specimens upon receipt in lab; ensure frozen specimens do not thaw.
Additional Information
Testing Location Hospitals in Common
Testing Frequency
Alternate Name(s) Thiamine
Reference Interval