Update Type: New Tests
Test Updated: 03/31/2022
Test Overview
Test Methodology

Liquid Chromatography- Tandem Mass Spectrometry (LC-MS/MS)

Reference Range *

Nicotinic Acid (Niacin) Cutoff <5.0 ng/mL Nicotinamide: 85.0 - 48.0 ng/mL Nicotinuric acid Cutoff: <5.0 ng/mL

Test Details
Days Set Up
Tuesday
Analytic Time

3 - 9 days

Soft Order Code
VITB3
Synonyms
  • Nicotinic Acid
  • Niacin
Laboratory
Sendout
Reference Laboratory
Mayo VITB3
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in a lavender top tube. Centrifuge, aliquot plasma into a plastic vial and freeze within 2 hours of collection.

Special Handling

Protect specimen from light within 15 minutes of collection. Stable 12 hours refrigerated, but spin and freeze for longer stability, and frozen is preferred for shipment to Mayo.

Normal Volume
2 mL EDTA plasma
Minimum Volume
0.75 mL EDTA plasma
Additional Information

Test performed by Mayo Clinic Laboratories

Billing
CPT Code
84591
Fee Code
20160
NY State Approved
No