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VITAMIN B3

Test Code:D148Specimen Collection:Serum
Component:


Nicotinic Acid
Nicotinamide

Method:


LC/MS/MS

Collection Notes:Serum separator tubes are not acceptable. Separate serum or plasma from cells and transport in a plastic screw-capped vial. Transport frozen.
Clinical Utility:Nicotinic Acid is added to many foods as a vitamin supplement.
CPT Code:84591Testing Location:Sent to reference lab
SPECIMEN/STABILITY TYPE
Temperature:

Serum (2 mL)

Frozen
 
30
 
Days

Plasma EDTA (2mL)

Frozen
 
30
 
Days