Test Overview
Test Methodology

High Performance Liquid Chromatography (HPLC)

Reference Range *

Adult (>or=10 years): 0.50 - 8.45 mcg/mL; Pediatric (<10 years): 0.50 - 8.91 mcg/mL.

Test Details
Days Set Up
Varies; test performed once per week
Analytic Time

3 - 15 days

Soft Order Code
B3
Synonyms
  • Nicotinic Acid
  • Niacin
Laboratory
Sendout
Reference Laboratory
Mayo FNIAC (91379) (Cambridge Biomedical)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect specimen in a lavender top tube. Centrifuge, aliquot plasma into an amber PFL plastic vial and freeze within 30 minutes 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.

Lavender Top Tube
Normal Volume
4 mL EDTA plasma
Minimum Volume
1 mL EDTA plasma
Additional Information

Test sent to Mayo Medical Laboratories; performed by Cambridge Biomedical.

Billing
CPT Code
84591
Fee Code
20160
NY State Approved
No