Test Code FNIAC Vitamin B3 Niacin in Plasma
Performing Laboratory
Cambridge Biomedical Inc.Specimen Type
Plasma EDTASpecimen 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
84591
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)