24-Hour Urinary Free Cortisol
24-hour urinary free cortisol measures total active cortisol excreted over a full day, smoothing out hourly daytime spikes.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
10 – 100 µg/24h
10 – 100 µg/24h
10 – 100 µg/24h
What does a low result mean?
A low reading is standard during relaxed living or following recent corticosteroid use.
What does a high result mean?
A modest elevation is very common during sustained work stress, intense physical exertion, or sleep deprivation.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Does this 24-hour cumulative test confirm healthy adrenal balance?
- Was the full-day urine volume collected completely?
- Is a follow-up assessment suggested?
Do you have a full blood test report?
Upload your lab document (PDF or image) to get an instant, clear explanation for every biomarker at once.
Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.