Cortisol, Free, 24 Hr Urine [11280X]

Test Code
11280X

CPT Codes
82530

Preferred Specimen
2 mL 24-Hour Urine Instructions: Instruction: Collect 24-hour urine without preservative (preferred). Record 24-hour urine volume on test request form and urine vial. 24-hour urine specimens, collected with the following preservatives, are acceptable: 25 mL 6N HCl; 10 mL conc. Glacial Acetic Acid; 10 g Boric Acid.

Minimum Volume
0.8 mL

Other Acceptable Specimens
2 mL 24-Hour Urine (Min0.8 mL) Urine Container, leak-proof (25 mL 6N HCl); Refrigerated; -OR- 2 mL 24-Hour Urine (Min0.8 mL) Urine Container, leak-proof (10mL conc glacial acetic acid); Refrigerated; -OR- 2 mL 24-Hour Urine (Min0.8 mL) Urine Container, leak-proof (10 g boric acid); Refrigerated;

Transport Container
Urine Container, leak-proof

Transport Temperature
Refrigerated

Specimen Stability
Room Temperature: 48 hours Refrigerated: 1 week Frozen: 5 months

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

Setup Schedule
Monday-Friday, Sunday Night Report available: 5 Days

Reference Range
Accompanies report

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

Performed By
Quest Diagnostics Nichols Institute



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.