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
1-2 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Plasma collected in an EDTA (lavender-top) tube is also acceptable. Protect sample from light.
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
1 mL Serum or Plasma
Minimum Test Volume
0.5 mL Serum or Plasma
Processing Instructions
Protect sample from light. Indicate serum or plasma in flag comments, on specimen and on batch sheet.
Included Tests
Nicotinamide and Nicotinic Acid.
CPT Codes
84591
Revised
5/17/24
Initials
SA