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Cortisol, Free, LC/MS/MS, 24-Hour Urine [11280X]

Test Code
S51655


CPT Codes
82530

Includes
CPT code 81050 may be added at an additional charge for volume measurement


Preferred Specimen
2 mL unpreserved 24-hour urine


Minimum Volume
0.5 mL


Other Acceptable Specimens
Preserved 24-hour urine in 24 mL 6N HCl, or 10 mL conc. glacial acetic acid, or 10 grams boric acid


Instructions
Record 24-hour urine volume on test requisition and urine vial. Reference ranges do not apply to random urine samples.


Transport Container
Sterile, leak-proof container


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 14 days
Refrigerated: 21 days
Frozen: 3 months


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

Setup Schedule
Set up: Mon-Fri; Report available: 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.