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HelpTest Code XNIAC Niacin, Vitamin B3
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