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HelpTest ID FMELA Melatonin, Plasma
Specimen Required
***Must submit one specimen per order. Specimens cannot be shared between multiple orders.***
Specimen Type: Plasma
Collection Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Pink top (EDTA)
Submission Container/Tube: Plastic vial
Specimen volume: 3 mL
Collection instructions:
1. Draw blood in EDTA (lavender top) tube(s).
2. Centrifuge and send 1 mL of plasma refrigerated in a plastic vial.
Method Name
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Melatonin, PlasmaSpecimen Type
Plasma EDTASpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma EDTA | Refrigerated (preferred) | 30 days |
| Frozen | 365 days | |
| Ambient | 14 days |
Reference Values
Reporting limit determined each analysis.
Units: ng/mL
Day(s) Performed
Monday-Sunday
Report Available
6 to 12 daysPerforming Laboratory
NMS LabsTest Classification
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
80299
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FMELA | Melatonin, Plasma | 11055-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z3521 | Melatonin | 11055-1 |