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Cortisol - PM
Test CodeCORTISOL (PM)
Alias/See Also
Chemistry
Preferred Specimen
Gold Top Tube
Minimum Volume
2 mL
Transport Temperature
Refrigerate
Specimen Stability
Refrigerated (2-8°C): 14 days
*If testing will be delayed for more than eight hours, remove plasma or serum from the serum or plasma separator, red blood cells or clot. Specimens removed from the separator gel,cells or clot may be stored up to 14 days at 2-8°C.
Frozen (-10°C or colder): 30 days
*If testing will be delayed for more than eight hours, remove plasma or serum from the serum or plasma separator, red blood cells or clot. Specimens removed from the separator gel,cells or clot may be stored up to 14 days at 2-8°C.
Frozen (-10°C or colder): 30 days
Methodology
Chemiluminescence microparticle immunoassay
Setup Schedule
Daily
Report Available
TAT 3 - 7 days
Reference Range
3-16 ug/dL
Clinical Significance
Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency).
Performing Laboratory
Test performed at West Roxbury Chemistry Lab
Contact: Jonathan Dryjowicz-Burek 857-203-5973
Last Updated: April 17, 2026
