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Cortisol, Total [367X]
Test Code22621
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Instructions
Note: Assay not recommended when patient is receiving prednisone/prednisolone therapy due to cross reactivity with the antibody used in this assay.
Transport Container
Plastic screw-cap vial
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: 36-48 hours
Clinical Significance
Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency).
