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Vitamin B3 Niacin in Plasma

Reporting Name

Niacin (Nicotinic Acid)
Seattle Children's Hospital Note:

Clinical System Name: Miscellaneous Test


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 Type

Plasma EDTA

Specimen Minimum Volume

1 mL

Specimen Stability Information

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

Day(s) and Time(s) Performed

Varies; One day per week

Performing Laboratory

Cambridge Biomedical Inc.

Method Name

High Performance Liquid Chromatography (HPLC)

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

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

84591

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FNIAC Niacin (Nicotinic Acid) 18244-4

 

Result ID Test Result Name Result LOINC Value
Z0144 Niacin 18244-4

Reject Due To

Hemolysis

Mild OK; Gross reject

Thawing

Warm reject

Lipemia

Mild OK; Gross reject

Icteric

NA

Other

Specimens not light protected