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Alias Names: Vitamin B3 / Nicotinic Acid
Methodology: High Performance Liquid Chromatography with Solid Phase Extraction (HPLC/SPE)
Edit Date: 10/30/2008
Performed: Varies, one day each week
Released: 2-8 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 84425-90
Specimen Collection Details
Collection: Two 4 mL lavender top tubes (EDTA). Protect from light.
Handling: Centrifuge and separate plasma from cells and pour into a plastic vial within 15 minutes of collection. Protect from light during handling and transport. Freeze. Critical frozen.
Stability: 30 days frozen. Specimen unstable ambient or refrigerated.
Standard Volume: 2 mL plasma, light protected.
Minimum Volume: 2 mL plasma, light protected.
Transport: Frozen on dry ice.
Rejection Criteria: Specimen other than frozen EDTA plasma; specimen not protected from light.

Reference Range:
0.50-8.45 µg/mL
Normal 0.50-8.45 µg/mL
Low <0.50 µg/mL
High >8.45 µg/mL

PeaceHealth Laboratories