High Performance Liquid Chromatography (HPLC)
Adult (>or=10 years): 0.50 - 8.45 mcg/mL; Pediatric (<10 years): 0.50 - 8.91 mcg/mL.
3 - 15 days
- Nicotinic Acid
Collect specimen in a lavender top tube. Centrifuge, aliquot plasma into an amber PFL plastic vial and freeze within 30 minutes of collection.
Protect specimen from light within 15 minutes of collection. Stable 12 hours refrigerated, but spin and freeze for longer stability, and frozen is preferred for shipment to Mayo.
Test sent to Mayo Medical Laboratories; performed by Cambridge Biomedical.