Quantitative High Performance Liquid Chromatography
Lavender (K2 or K3 EDTA).
Protect from light. Transfer 4 mL plasma to an ARUP Amber Transport Tube and freeze immediately. (Min: 1 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Thawed specimens or specimens not protected from light. Grossly hemolyzed or lipemic specimens.
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 2 months (Three freeze/thaw cycles are acceptable.)
Performed by non-ARUP Laboratory
|Component Test Code*||Component Chart Name||LOINC|
|0092169||Niacin (Vitamin B3)||18244-4|
- Niacin Metabolite
- Nicotinic Acid
- Vitamin B3