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St. John Health System
Lab Catalog


Index:

Thyrotropin Releasing Hormone (TRH)

Order Name THYRO R HO
Test Number: 4501725
Revision Date 08/13/2010
Test Name Methodology LOINC Code
Thyrotropin Releasing Hormone (TRH)
Radioimmunoassay  
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 3 mL Plasma Sodium Heparin (Green Top / No-Gel) Frozen
Instructions Mix whole blood in sodium heparin tube thoroughly by inversion. Centrifuge immediately then separate 3mL of plasma into plastic aliquot tube Freeze immediately. Ship frozen. Do not thaw.
GENERAL INFORMATION
Testing Schedule Thur 
Expected TAT 5-10 Days 
Notes 10/19/2009 - the PTH Cocktail tube is no longer required for collection of this assay. Please use Sodium Heparin Tubes.
CPT Code(s) 83519
Service Provided By Labcorp Oklahoma, Inc.
Lab Section Reference Lab