Cortisol, Free, 24‑Hour Urine with Creatinine, LC/MS/MS
Use
Urinary free cortisol is useful in the detection of patients with Cushing’s syndrome for whom free cortisol concentrations are elevated.
Special Instructions
Record 24‑hour urine volume on test request form and urine vial; reference ranges do not apply to random urine samples.
Limitations
Not provided.
Methodology
Mass Spectrometry
Biomarkers
Result Turnaround Time
3-7 days
Related Documents
For more information, please review the documents below
Specimen
Urine
Volume
2 mL
Minimum Volume
0.5 mL
Container
24‑hour urine container, leak‑proof
Collection Instructions
2 mL of a 24‑hour urine collected in a leak‑proof urine container, no preservative preferred; other acceptable preservatives: 25 mL 6 N HCl, or 10 mL concentrated glacial acetic acid, or 10 g boric acid; record 24‑hour urine volume on test requisition and urine vial; reference ranges do not apply to random urine samples.
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