Vitamin B2 (Riboflavin)
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Vitamin B2 (Riboflavin), Serum/Plasma
Test ID: VITB2
Test
Method
Chromatography/Mass Spectrometry
Report Includes
Specimens
Gel-separator tubes are not acceptable; Serum; Plasma
Clinical Utility
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.
Test Location
Quest Diagnostics, California USA
Test Version
15-Dec-2022
Specimen
Specimens
Gel-separator tubes are not acceptable; Serum; Plasma
Collection Containers
Preferred
Red top (no additive)
Acceptable
Lavender top (EDTA)
Sample Volume
1 mL
Minimum Volume
0.5 mL
Specimen Comment
Avoid gel-separator tubes.
Patient Preparation
Overnight fasting is required. Avoidance of vitamin supplements for 24 hours prior to collection is preferred.
Collection & Handling
Handling Information
Separate Immediately and transfer to amber vial to protect from light and freeze.
Store and send frozen.
Stability
| Ambient | Unacceptable |
|---|---|
| Refrigerated | Unacceptable |
| Frozen | 30 days |
Additional Stability Information
If the specimen thaws, it is unsuitable for analysis.
Rejection Criteria
| Specimen | Not frozen or not protected from light or Gel tube |
|---|
Test Version
15-Dec-2022
Performance / Interpretation
Method
Chromatography/Mass Spectrometry
Turnaround Time
8 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Vitamin B2 (Riboflavin) | nmol/L |
|
||
Test Location
Quest Diagnostics, California USA
Test Version
15-Dec-2022
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| VITB2 | 36650Vitamin B2 | nmol/L |
Test Version
15-Dec-2022