Test Name
CORTISOL, 24 HR URINE
Aliases
-
Abbreviations
24H UFC
Test Classification
GROUPED TEST
Department
SPECIAL CHEMISTRY
Sub Department
-
TAT Category
BUSINESS (WORKING) TIME
Estimated TAT
96
TAT Units
HOURS
Test Requirements
TOTAL 24 hour urine volume (mL) required; add 10-15g boric acid as preservative; explain collection instructions [refer to relevant phlebotomy aid (Phleb/Aid7) or lab handbook section on 24 hour urine collection or https://www.youtube.com/watch?v=HjF-9n0FOrw video].
SHIPPING/ TRANSPORTATION REQUIREMENTS
Shipping Temperature: Refrigerated
ANALYTE STABILITY
Room Temperature: 2 DAYS at 20-25°C │ Refrigerated: 7 DAYS at 2-8°C │ Frozen: 7 DAYS at -20°C.
Clinical Utility
Evaluation of Cushing’s syndrome, Cushing’s disease (hypercortisolism) and Addison’s disease (hypocortisolism).
Last Review
26th Feb 2026