Nicotinamide, Niacin
14 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Accredited Laboratory Partner
Contact Technical Support
Evaluates niacin status. Deficiency causes pellagra.
Serum or Plasma
1.5 mL (2 tubes)
Red-top tube or lavender-top (EDTA) tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Frozen | 14 days |
| Freeze/thaw cycles | Stable x3 |
Nicotinamide, Niacin
14 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Accredited Laboratory Partner
Contact Technical Support
Evaluates niacin status. Deficiency causes pellagra.
Serum or Plasma
1.5 mL (2 tubes)
Red-top tube or lavender-top (EDTA) tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Frozen | 14 days |
| Freeze/thaw cycles | Stable x3 |