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80865:NIACIN | |||||||||
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 | ||||||||||||||||||