| Test CODE | NAME |
|---|
L018
Vitamin B3 (Niacin and Metabolite)
| Methodology: | Liquid chromatography/tandem mass spectrometry (LC/MS-MS) |
| Performed: | Varies |
| Reported: | 4-5 days |
| Specimen Required: |
Collect: Red-Top Tube OR Lavender-Top (EDTA) Tube - 1 ml serum OR plasma . Specimen Preparation: Transfer the serum into a Transfer Tube. The specimen should be frozen immediately and maintained frozen until tested. To avoid delays in turnaround time when requesting multiple tests on frozen specimens, please submit separate frozen specimen for each test requested. Include the patient's age on the test request form. Storage/Transport Temperature: CRITICAL FROZEN. Stability : Ambient/Refrigerated: Unstable; Frozen: 14 days Causes for Rejection : Gel-barrier tube; specimen not frozenNote: This test is approved for NY .
Performing Lab
LabCorp Laboratory Corporation of America
|
| CPT Code(s): | 84591 |