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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

75386

Method Name

High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

Reporting Name

Melatonin, Plasma

Specimen Type

Plasma EDTA

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Plasma EDTA Refrigerated (preferred) 30 days
  Frozen  365 days
  Ambient  14 days

Reject Due To

Hemolysis

Mild reject; Gross reject

Thawing

Warm OK; Cold OK

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 Labs

CPT 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