Niacin

• CPT Code: 84591
• LOINC:
• Specimen Type: EDTA
• Frequency: Setup:varies; analytic time 1-7 days
• Instructions: 4mL plasma from lavender tube. Separate from cells within 15 minutes and freeze in amber vial to protect from light. Min 2.0mL.
• Text: Niacin is used with diet changes (restriction of cholesterol and fat intake) to reduce the amount of cholesterol and certain fatty substances in your blood. Niacin is also used to prevent and treat pellagra (niacin deficiency), a disease caused by inadequate diet and other medical problems. Components: Z1064 Niacin
• Methodology: High Performance Liquid Chromatography (HPLC)