Vitamin B2

Abbrev Code:VTB2   
Order Code:LAB4709Order Name:Vitamin B2
Synonyms:Riboflavin; Vitamin B2 Plasma
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Codes: 84252 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-5 days.

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

Collection Instructions

Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Green (sodium heparin, no gel or lithium heparin, no gel) protect from light
Alternate Containers: Green (lithium heparin, gel) protect from light
Collection Instructions:Collect following an overnight (12-24) fast (water only). For infants, collect prior to next feeding). Protect specimen from light.
Causes for Rejection:Samples not protected from light; EDTA plasma, or serum. Gross lipemia.

Processing and Shipping

Specimen Processing:Within 2 hours of collection: Centrifuge and aliquot 2 mL; 0.5 mL minimum, into light protected vial. Store refrigerated.
Shipping Instructions:Ship refrigerated. Protect from light.
Stability:Light protected 72 hours room temperature, 28 days refrigerated (preferred) or frozen.
Test Performed at or Referral Lab Lab Sendouts  (Mayo)
Referral Lab number:VITB2


Reference Range:1-19 mcg/L
Use:Evaluation of persons who present with signs of ariboflavinosis.

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