Vitamin B3
Also known as Niacin
What it measures
- Nicotinic AcidLOINC 18244-4
- NicotinamideLOINC 56961-6
Specimen
- Specimen
- 1 mL frozen serum collected in a red-top tube (no gel) - protected from light
- Minimum volume
- 0.5 mL
- Also accepted
- Frozen plasma collected in: EDTA (lavender-top) tube protected from light
- Container
- Amber transport tube
- Temperature
- Frozen
Pour serum or plasma into amber transport tube (preferred) or transport tube wrapped in aluminum foil to protect from light.
Turnaround
Set up: Tues, Thurs, Sat
Billing
CPT 84591