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Labcorp Oklahoma, Inc.
Test Directory


Index:

Prolactin, Serum

Order Name PROLACTIN
Test Number: 3602400
Revision Date 05/28/2021
Test Name Methodology LOINC Code
Prolactin, Serum
Chemiluminescence Assay 2842-3 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 2 mL (1) Serum Clot Activator SST Refrigerated
Alternate 1 2 mL (1) Plasma Lithium Heparin PST (Light Green Top) Refrigerated
Instructions Remove Serum/Plasma from cells/gel if testing delayed >24hrs.
Stability: Ambient 1 day. Refrigerated 7 days. Frozen 12 months.
GENERAL INFORMATION
Testing Schedule Mon - Fri 
Expected TAT 1-3 days  
Clinical Use Useful for aiding in evaluation of pituitary tumors, amenorrhea, galactorrhea, infertility, hypogonadism and monitoring therapy of prolactin-producing tumors. 
CPT Code(s) 84146
Lab Section Chemistry