TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: FMELA    
Melatonin, Plasma

Specimen Type Describes the specimen type validated for testing

Plasma EDTA

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

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 Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis Mild reject; Gross reject
Lipemia Mild reject; Gross reject
Icterus NA
Other Polymer gel separation tube (SST or PST)

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
Plasma EDTARefrigerated (preferred)30 days
 Frozen 365 days
 Ambient 14 days