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Test Code LAB20588 Niacin and Metabolites (Vitamin B3)

Department

SEND OUTS

Reference Lab Test Number

NIACN

Refer To

Warde Labs

Primary Collection Container

Red (No Gel)

Alternate Collection Container

Lavender 4 mL (K3EDTA)

Transport

Refrigerated

Preferred Transport Temperature

Refrigerated

Processing

Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum.

Stability

Ambient: 1 day

Refrigerated: 7 days

Frozen: 30 days

Minimum Testing Volume

0.4 Ml

Reference Range

By report

Methodology

Liquid Chromatography/Tandem Mass Spectrometry

Performed

Varies

Reported

7-9 days

CPT Codes

84591

Unacceptable Conditions

Serum separator tube (SST), Plasma separator tube (PST), samples received room temperature