Vitamin B2 (Riboflavin)
Also known as: Riboflavin, B2
Use
Vitamin B2 (riboflavin) is involved in the metabolism of fats, carbohydrates, and proteins. Deficiency may lead to nonspecific clinical manifestations including mucocutaneous lesions of the mouth and skin, corneal vascularization, anemia, and personality changes.
Special Instructions
Not provided.
Limitations
This test was developed by Quest Diagnostics and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the FDA. The assay has been validated under CLIA regulations and is used for clinical purposes.
Methodology
Mass Spectrometry
Biomarkers
Result Turnaround Time
6-8 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
2 mL
Minimum Volume
0.5 mL
Container
amber standard transport tube (preferred); or EDTA plasma wrapped in foil or amber tube to protect from light
Collection Instructions
Lavender (EDTA) tube. Protect from light. Centrifuge and aliquot 2 mL (Min: 0.5 mL) EDTA plasma into an amber standard transport tube (preferred); wrap in foil or amber if not available.
Patient Preparation
Overnight fasting required; avoidance of vitamin supplements for 24 hours prior to collection is preferred.
Causes for Rejection
Received at room temperature or refrigerated; failure to protect from light
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | Unacceptable |
| Refrigerated | Unacceptable |
| Frozen | 30 days |