Test directory: Vitamin B3

Ordering Code 7971
Test Name Vitamin B3
Alias Niacin
Preferred Specimen Serum - Protected from light
Preferred Container Plain (Red)
Other Specimen/Container Plasma in EDTA, K2 (Lavender) - Protected from light
Optimum Volume 1 mL
Handling Instructions Separate and freeze promptly. Protect from light.
Transport Requirements Oahu: Frozen
Airline: Frozen
Specimen Stability Ambient: Not Stable
Refrigerated: Not Stable
Frozen: 30 Days
Rejection Criteria Gel barrier tube
Avail. Stat NO
Analytic Time 10 Days
Methodology Chromatography/Mass Spectrometry
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Nicotinic Acid ALL See report.
Nicotinamide ALL See report.