Return to Test Listing
Title | CORTISOL, FREE, URINE |
Specimen Requirement | <p>24-hour urine collection required. Refrigerate during collection. Mix well and send 2.0 mL minimum aliquot refrigerated in a screw-capped plastic urine container.</p>
<p>Record total volume on request form and sample label.</p> |
Methodology | |
Stability | Refrigerated 7 days; Frozen 14 days |
Reference Range | By Report* |
Turnaround | 1-4 days Performed Tues, Fri |
Clinical Use | <p>Assess adrenal function; particularly useful in the diagnosis of Cushing syndrome. Recent data suggest that urinary free cortisol concentrations can be significantly altered in patients taking inhaled corticosteroids</p> |
Test Code | UFCPW |
Return to Test Listing