FNIAC - Specimen: Vitamin B3 Niacin in Plasma

Test Catalog

Test Name

Test ID: FNIAC    
Vitamin B3 Niacin in Plasma

Specimen Type Describes the specimen type validated for testing

Plasma EDTA

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Specimen Type: Plasma

Container/Tube: EDTA

Specimen Volume: 4 mL

Collection Instructions:  Draw sufficient blood in a lavender-top (EDTA) tube(s). Spin down and transfer to a plastic Amber vial (T192) to protect from light within 30 minutes of collection. Freeze and send 4 mL EDTA plasma frozen on dry ice.

Specimen Minimum Volume The amount of sample necessary to provide a clinically relevant result as determined by the Laboratory.

1 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected


Mild OK; Gross reject


Warm reject


Mild OK; Gross reject




Specimens not light protected

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperatures are also included.

Specimen TypeTemperatureTime
Plasma EDTAFrozen (preferred)56 days
 Refrigerated 48 hours