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Laboratory Medicine

Test catalogue

Cortisol Free, Urine

Test Name

Cortisol Free, Urine

Plain 24 bottle Specimen Type / Requirements

Container Type = 24 hour plain container bottle

Minimum Volume = 5 mL urine from mixed urine Collection

Specimen Handling

Collection Instructions: 24h urine collected in 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: Sample is stable at room temperature for 1 week, refrigerated for 1 week and frozen at -15 to -20°C for 3 months.

Transportation: Transport at room temperature ASAP. Place on ice if time of collection to time sample get to lab exceeds 2hrs

Laboratory Staff Instructions: Mix well, measure total 24h volume and record in LIS. If necessary, centrifuge precipitates prior to extraction.

Required Documentation

Turnaround Time (TAT)

10 Days

Test Utilization

Reference Value

50-220 nmol/d

Test Code

24UFC

Methodology

Siemens Advia Centaur XP

Testing Location

SMH-Biochemistry

Other Information

Last Updated: June 06, 2019