Vitamin B2 (Riboflavin), Plasma : 36399

Test Code

VITB2Q or 36399

Alias/See Also

B2; Riboflavin

CPT Codes
84252

Instructions

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

Frozen.

Specimen Stability

Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 30 days

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

Received room temperature, received refrigerated

Methodology
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.