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Vitamin B2

Referred out for testing

Source Blood
Mnemonic VITB2
Specimen Requirements

This test requires collection of an overnight fasting blood specimen.

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 and aliquot plasma. Protect from light by using amber aliquot tube and lid, or wrap tube in foil. Transport plasma to DSC on ice. Send specimen in a separate bag with a photocopy of the requisition.

Extra-regional:
Centrifuge, aliquot plasma and freeze immediately. Protect from light by using amber aliquot tube and lid or wrap tube in foil.  Transport to DSC on dry ice in a separate bag with a copy of the requisition.

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

Additional Information
Testing Location Quest Diagnostics
Testing Frequency
Alternate Name(s) Riboflavin
Reference Interval