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HelpTest Code 24COR Cortisol Free, urine
Specimen Requirements
Specimen Type: 24 hours urine
Container/Tube: Collect 24-hour urine in 24 hours urine container without preservatives
Volume: 4000mL
Minimum Volume: 20mL
Collection Instructions: 24-Hours urine container must be used. Mix well before taking aliquot.
Please refer to NUH's Urine Preservative Guide
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Urine |
|---|---|
| Ambient: | Send the sample to the laboratory immediately. |
| Refrigerate: | 14 days |
| Frozen: | 30 days |
Reference Interval
12 - 486 nmol/day
Days and Times Performed
24 hours, TAT 1 day
Methodology
Chemiluminescent Immunoassay
Service Code
31868
Update
Last updated 16/05/2024
Updated on Methodology.
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Screening test for Cushing syndrome.
Alias
24COR, Cortisol, Free, 24 hours urine