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Laboratory Medicine

Test catalogue

Free Cortisol, 24Hrs Urine

Test Name

Free Cortisol, 24Hrs Urine

Plain 24 bottle Specimen Type / Requirements

Container Type = 24 hour plain container bottle

Minimum Volume = 15 mL urine from mixed urine Collection

Specimen Handling

Collection Instructions: 24h urine collected in plain container without preservative. Ensure collection bottle is labelled correctly. Keep the collected urine refrigerated if possible and return to lab ASAP.

Write your "start" and "end" date and time of collection on the collection label or requisition.

Stability: Stable for 8h at room temperature, refrigerated 1 week, frozen 3 months.

Laboratory Staff Instructions: Centrifuge to remove cellular material.

Sample Rejection Criteria: Leaking, Unlabeled specimens, or Non sufficient quantity (Not Sufficient Quantity) will be rejected.

Required Documentation

Turnaround Time (TAT)

10 Days (batched)

Test Utilization

Routine

Reference Value

10 – 160 nmol/d

Test Code

24UFC

Methodology

Spectrophotometric

Testing Location

SMH-Biochemistry

Other Information