Methodology
Chromatography/Mass Spectrometry
Synonyms
Nicotinic Acid; Nicotinamide; Niacin
Specimen Type
Serum or Plasma
Performing Lab
Quest Diagnostic Valencia
Epic ID
Other Reference Test
Lab Test Days
Tuesday, Thursday, Saturday
Standard TAT
2-4 Days
Collection Information
Specimen Required
2-4 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Plasma collected in an EDTA (lavender-top) tube is also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp=Unacceptable; Refrigerated=Unacceptable; Frozen=30 Days
Rejection Criteria
Serum separator tube (SST)
Test Volume Required
2 mL Serum or Plasma
Minimum Test Volume
1 mL Serum or Plasma
Included Tests
Nicotinamide and Nicotinic Acid.
CPT Codes
84591
Revised
02-23-20
Initials
SL