Test Code MELATN Melatonin, Plasma
Specimen Required
Specimen Type: Plasma
Container/Tube:
Preferred: (Lavender top) EDTA
Acceptable: (pink top) EDTA
Specimen volume: 3 mL
Collection instructions: Draw blood in EDTA (lavender top) tube(s). Spin down and send 1 mL of plasma refrigerated in a plastic vial.
Secondary ID
75386Method 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 | Special Container |
---|---|---|---|
Plasma EDTA | Refrigerated (preferred) | 30 days | |
Frozen | 365 days | ||
Ambient | 14 days |
Reject Due To
Hemolysis | Mild reject; Gross reject |
Lipemia | Mild reject; Gross reject |
Icterus | NA |
Other | Polymer gel separation tube (SST or PST) |
Reference Values
Reporting limit determined each analysis.
Units: ng/mL
Day(s) and Time(s) Performed
Monday-Sunday
Performing Laboratory
NMS LabsCPT Code Information
80375
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 |