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Test Catalog

Test ID: COCOU    
Cortisol/Cortisone, Free, 24 Hour, Urine

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.


Useful For Suggests clinical disorders or settings where the test may be helpful

Screening test for Cushing syndrome


Assisting in diagnosing acquired or inherited abnormalities of 11-beta-hydroxy steroid dehydrogenase (cortisol to cortisone ratio)


Diagnosis of pseudo-hyperaldosteronism due to excessive licorice consumption


This test has limited usefulness in the evaluation of adrenal insufficiency.

Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test

Method Name A short description of the method used to perform the test

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

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Cortisol/Cortisone, Free, U

Aliases Lists additional common names for a test, as an aid in searching

17-Ketogenic Steroid
Cortisol, Free
Cortisol/Cortisone, Free
Free Urinary Cortisol
Urinary Free Cortisol