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Vitamin B2 (Riboflavin)

Message
Patient PreparationOvernight fasting is required. Avoidance of vitamin supplements for 24 hours prior to collection is preferredProtect from lightCollect a full tube, following standard venipuncture techniques. Gold SST is not acceptable


Test Code
LAB1091 VTB2P


Alias/See Also
VTB2P


CPT Codes
84252

Includes
Patient PreparationOvernight fasting is required. Avoidance of vitamin supplements for 24 hours prior to collection is preferred.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@


Instructions
Processing Instructions (Lab use only): Pour serum or plasma into amber transport tube (preferred) or transport tube wrapped in aluminum foil to protect from light. Minimum Testing Volume: 0.5 mL Serum/Plasma Transport Temperature: Frozen Stability: Ambient: N/A Refrigerated : N/A Frozen: 30 days Causes for Rejection: Serum separator tube


Report Available
7-Days


Clinical Significance
1230170680



Last Updated: May 18, 2026


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.