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Test Code FNIAC Vitamin B3 Niacin in Plasma

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 Special Container
Plasma EDTA Frozen (preferred) 56 days LIGHT PROTECTED
  Refrigerated  48 hours LIGHT PROTECTED

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

CPT Code Information


Reject Due To

Hemolysis Mild OK; Gross reject
Lipemia Mild OK; Gross reject
Icteric NA
Other Specimens not light protected

Method Name

High Performance Liquid Chromatography (HPLC)

Secondary ID