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Test Code FMELP Melatonin, Plasma

Secondary ID

75253

Method Name

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

Reporting Name

Melatonin, Plasma

Specimen Type

Plasma EDTA


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.

Specimen Stability Information: Refrigerated


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: 1.0 ng/mL

Day(s) and Time(s) Performed

Monday

Performing Laboratory

NMS Labs

CPT Code Information

80375

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FMELP Melatonin, Plasma In Process

 

Result ID Test Result Name Result LOINC Value
Z4935 Melatonin In Process
Z4936 Reporting Limit 19147-8