Micronutrient, Vitamin B3

What it measures

• Vitamin B3LOINC 18244-4

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

Transport tube

Temperature

Frozen

Patients should be 18 years or greater. Separate serum or plasma from cells.

Turnaround

Set up: Tues, Thurs, Sat

Billing

CPT 84591