FCORT - Clinical: Cortisol, Free, LC/MS/MS

Test Catalog

Test Name

Test ID: FCORT    
Cortisol, Free, LC/MS/MS

Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test

Free cortisol is useful in the detection of patients with Cushing’s syndrome for whom free Cortisol concentrations are elevated.

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Adult Reference Ranges for Cortisol, Free, LC/MS/MS:

 8:00 - 10:00 AM       0.07 - 0.93 mcg/dL

 4:00 - 6:00 PM         0.04 - 0.45 mcg/dL

10:00 - 11:00 PM       0.04 - 0.35 mcg/dL