Cortisol, Free, 24-Hour Urine
Fasting Required: No

Specimen: Urine, 24 hour

Lab: Quest Diagnostics

Results: 5-10 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Patient Instructions: A collection jug should be picked up from your local Quest Patient Service Center. Specimen must remain refrigerated during the collection period.

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

Includes: Creatinine

Alternative Names: Urinary Free Cortisol Test and UFC Test