Cortisol Free Urine, Urinary Free Cortisol
18 days
Quantitative Colorimetry
Accredited Laboratory Partner
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Measures metabolites of cortisol and related hormones in urine. Useful for evaluating adrenal gland function and diagnosing disorders like Cushing’s syndrome, Addison’s disease, or congenital adrenal hyperplasia. Helps assess steroid hormone production over time.
24 hour urine
12 mL
Plastic urine container
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Urine should be well-mixed before aliquoting. Record total volume, collection time, and pH on transport tube and test request form. Random specimens without preservative are acceptable if frozen within 15 minutes of collection.
| Temperature | Period |
|---|---|
| Refrigerated | 7 days |
| Frozen | 30 days |