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Vitamin B2 (Riboflavin), PlasmaTest Code
2 mL frozen plasma collected in an EDTA (lavender-top) tube - protect from light
Wrap tube in aluminum foil to protect from light.
Plastic screw-cap vial, foil wrapped - protected from light
Room temperature: 4 hours
Refrigerated: 24 hours
Frozen: 30 days
Fluorometric Detection • High Performance Liquid Chromatography (HPLC)
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 San Juan Capistrano
33608 Ortega Highway
San Juan Capistrano, CA 92675