Vitamin B2


Sunquest Code:VTB2  
Epic Code:LAB4709Epic Name:VITAMIN B2
Synonyms:Riboflavin; Vitamin B2 Plasma
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:84252
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-4 days.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.7 mL
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 gel tube for collection, serum. Gross hemolysis.


Processing and Shipping

Specimen Processing:Centrifuge ASAP and aliquot 0.5 mL, 0.25 mL minimum, into light protected vial. Sample is stable at refrigerated temperatures for 7 days.
Shipping Instructions:Ship on dry ice. Protect from light.
Test Performed at or Referral Lab Lab Sendouts  (Mayo)
Referral Lab number:VITB2


Interpretive

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


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