Vitamin B2, Whole Blood
Also known as: B2, Vitamin, Riboflavin, Vitamin B2, Quantitative
Use
Detect vitamin B2 deficiency
Special Instructions
Vitamin B2 refers to a family of water-soluble flavin vitamins that are critical for metabolism and energy generations in the aerobic cell. It is involved in the metabolism of folate, vitamin B12, and vitamin B6. Plasma vitamin B2 is a determinant of plasma homocysteine level.
Limitations
This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration. No cases of riboflavin toxicity in humans have been reported.
Methodology
Mass Spectrometry
Biomarkers
LOINC Codes
- 6695-1
- 6695-1
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Whole Blood
Volume
0.5 mL
Minimum Volume
0.2 mL
Container
EDTA (lavender top) whole blood, preferred. Also acceptable are lithium heparin (green-top) whole blood and sodium heparin (light green-top) whole blood.
Collection Instructions
The blood is to be collected by venipuncture into a lavender-top tube containing EDTA and mixed immediately by gentle inversion at least six times to ensure adequate mixing. Do not separate. Transfer whole blood to a labeled amber plastic transport tube with amber stopper and freeze. If amber tubes are unavailable, cover standard transport tube completely with aluminum foil.
Storage Instructions
Specimens should be light-protected, stored frozen immediately, and maintained frozen during shipping.
Causes for Rejection
Receipt of non-frozen sample; receipt of plasma or serum specimen; receipt of specimen not protected from light
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