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Niacin (Vitamin B3)

Test Code
LAB1109


CPT Codes
84591

Includes
Nicotinamide and Nicotinic Acid


Preferred Specimen
Red no-additive no-gel


Minimum Volume
1 mL


Instructions
Separate serum or plasma from cells and submit in a plastic screw-cap vial


Transport Temperature
Frozen


Specimen Stability
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days


Methodology
Chromatography/Mass Spectrometry



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.