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Cortisol, Free, LC/MS/MS, Second Void Urine

Test Code
CRTSLUR


Includes
Creatinine, Random Urine


Preferred Specimen
2 mL random urine, no preservative collected in a standard urine transport container


Minimum Volume
0.5 mL


Instructions
Second a.m. urine


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 14 days
Refrigerated: 21 days
Frozen: 90 days


Methodology
Colorimetric (C) • Kinetic • Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule
Set up: Mon-Fri; Report avaialbe: 2-6 days


Clinical Significance
Urinary free cortisol is useful in the detection of patients with Cushing's syndrome for whom free cortisol concentrations are elevated.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.