Cortisol Free, Urine (24 Hr)

Additional Info:
Test includes creatinine.

Useful For:
Urinary Free Cortisol is useful in the detection of patients with Cushing’s syndrome for whom Free Cortisol concentrations are elevated.

Methodology: Liquid Chromatography, Tandem Mass Spectrometry

Specimen Requirements: Submit an entire 24-hour urine collection in a urine container supplied by Meadville Medical Center Laboratory. No preservative is needed. Refrigerate specimen during and after collection. Send specimen frozen in plastic vial.

Random urine samples are acceptable.
See “Urine Collection” located in “Specimen Collection & Preparation” section for timed collection instructions. Also refer to “Patient Information” section in back of manual for patient handout explaining collection information for this test.

Analytical Time: 3 – 7 days

Days Set Up: Monday through Saturday

CPT Information:
82530 –
82570 – creatinine