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Test ID FNIAC Vitamin B3 Niacin in Plasma

Reporting Name

Niacin (Nicotinic Acid)

Performing Laboratory

Cambridge Biomedical Inc.

Specimen Type

Plasma EDTA

Specimen Required

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

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Frozen (preferred) 56 days
  Refrigerated  48 hours

Reference Values

Units: ug/mL

Adult Reference Range:

≥ 10 years

Normal            0.50 - 8.45

Low                         <0.50

High                        >8.45


Pediatric Reference Range:

<10 years

Normal            0.50 - 8.91

Low                         <0.50

High                        >8.91

Day(s) and Time(s) Performed

Varies; One day per week

Test Classification

The performance characteristics of the listed assay was validated by Cambridge Biomedical Inc. The US FDA has not approved or cleared this test. The results of this assay can be used for clinical diagnosis without FDA approval. Cambridge Biomedical Inc. is a CLIA certified, CAP accredited laboratory for performing high complexity assays such as this one.

CPT Code Information


Reject Due To


Mild OK; Gross reject


Warm reject


Mild OK; Gross reject




Specimens not light protected

Method Name

High Performance Liquid Chromatography (HPLC)

Secondary ID