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Vitamin B2

Source Blood
Mnemonic VITB2
Specimen Requirements 1 x 4 mL lavender top EDTA tube

2 mL plasma preferred; minimum 0.5 mL plasma

Protect from light by wrapping entire tube in foil.

CLS staff: Proceed with specimen collection and transport to DSC Accession. 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 & RRL:
Centrifuge, pour off and transport plasma to DSC on ice. Ensure tube is wrapped in foil to protect from light. DO NOT use amber aliquot tube. Send specimen in a separate bag with a photocopy of the requisition.

Extra-regional:
Centrifuge, pour off and freeze plasma prior to transport. Ensure tube is wrapped in foil to protect from light. DO NOT use amber aliquot tube. 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 Quest Diagnostics
Testing Frequency
Alternate Name(s) Riboflavin
Reference Interval