Plain red, lavender (EDTA), or pink (K2EDTA).
Serum
0.4 mL
Separate < 2hrs
Separator tubes.
FROZEN
Varies
3-9 days
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Core
(IHC)
Niacinamide
Niacor
Niaspan
Nicotinic Acid
Nicotinuric Acid
Slo-Niacin
Test
HANDLING!
FROZEN preferred. Protect from light. Transfer 4 mL plasma to an ARUP Amber Transport Tube (ARUP supply #54457) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 1 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Ambient: Unacceptable; Refrigerated: 8 days; Frozen: 2 months
ng/mL
84591
56961-6
