Skip to main content

Specimen Collection Manual and Test Catalog

  or
  or
  or

CORTISOL, TOTAL, LC/MS

Geisinger Epic Procedure Code:  LAB1136    Geisinger Epic ID:  52469

SPECIMEN COLLECTION
Specimen type: 

Serum (preferred) or plasma


Preferred collection container: 
Alternate collection container: 
3 mL lavender-top (K2 EDTA) tube
Specimen required: 

1 mL serum (preferred) or plasma; minimum 0.2 mL


Special notes: 

Specify time of day specimen was collected. Do not collect in gel tube.



SPECIMEN PROCESSING
Processing instructions: 

Centrifuge and aliquot.


Transport temperature: 

Room temperature.


Specimen stability: 

Room temperature: 14 days. Refrigerated: 21 days. Frozen: 1 year.


Rejection criteria: 

Gross hemolysis • Received room temperature • Serum separator tubes (SST)



TEST DETAILS
Additional information: 

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration


CPT code(s):  82533
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Chromatography/Mass Spectrometry
Synonyms: 

Quest test code 11281, Cort Total


Clinical significance: 

Total cortisol concentrations are decreased in Addison's Disease and increased in Cushing's Disease and in other conditions of glucocorticoid excess.


Review Date:  12/09/2024

Performing Locations