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Test Code XNIAC Niacin, Vitamin B3

Additional Codes

YNIAC

VITAMIN B3

NIACIN

NICOTINAMIDE

NICOTINIC ACID 

Clinical Information

Nicotinic acid occurs naturally in plants and animals and is also added to many foods as a vitamin supplement.

Synonym

  • Niacin
  • YNIAC

Profile Information

Includes:

  • Nicotinamide
  • Nicotinic Acid 

Specimen Required

1 mL Serum, from Plain Red tube or EDTA plasma (lavender tube). Protect from light.

Specimen Stability Information

Ambient: unacceptable
Refrigerated: unacceptable
Frozen (preferred): 30 days

Rejected Due To

  • Serum separator tubes (SST)

Reference Values

See Report

Method Description

Chromatography/ Mass Spectrometry

Performing Lab

Quest Diagnostics Nichols Institute Valencia
27027 Tourney Rd
Valencia, CA 91355-5386

Day(s) Performed

Tuesday, Thursday, Saturday

Report Available

4 days

Reporting Name

Niacin

CPT Code Information

84591

LOINC Code Information

Nicotinic Acid: 18244-4
Nicotinamide: 56961-6