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Vitamin B2 (Riboflavin), PlasmaTest Code
2 mL frozen plasma collected in an EDTA (lavender-top) tube - protect from light
Pour plasma into amber transport tube (preferred) or transport tube wrapped in aluminum foil to protect from light.
Transport tube protected from light
Room temperature: 4 hours
Refrigerated: 24 hours
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature • Received refrigerated
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Vitamin B2 is involved in metabolism of fats, carbohydrates, and protein. The clinical manifestations of deficiency are non-specific. Clinical manifestations include mucocutaneous lesions of the mouth and skin, corneal vascularization, anemia, and personality changes.
Quest Diagnostics Nichols Institute Valencia
27027 Tourney Road
Valencia, CA 91355-5386