Vitamin B2 (Riboflavin), Plasma : 1016218

Test Code
VITB2Q or 1016218

Alias/See Also
B2; Riboflavin

CPT Codes

Overnight fasting is required. Avoidance of vitamin supplements for 24 hours prior to collection is preferred.

Lavender (EDTA) tube. Protect from light.

Transport Container
Centrifuge tube and aliquot 2 mL (Min: 0.5 mL) EDTA plasma into an amber standard transport tube (preferred). If amber tube is not available, wrap tube in aluminum foil or place in amber bag to protect from light.

Transport Temperature

Specimen Stability
Ambient: 4 hours; Refrigerated: 24 hours; Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Setup Schedule
Monday - Thursday

Report Available
6-8 days (From receipt at performing laboratory)

Reference Range
6.2-39.0 nmol/L

Clinical Significance
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.

Performing Laboratory
Quest Diagnostics

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.