Casandra
Casandra Test Code QD07861Version 1 (DRAFT)
Performing Lab
Cortisol, P.M.
Also known as: Hydrocortisone, P.M., Cortisol PM, PM Cortisol
Clinical Use
Order TestUse
Cortisol, P.M. measures cortisol levels in the blood during the late afternoon, useful in evaluating disorders of cortisol production such as Cushing’s disease (elevated cortisol) and Addison’s disease (adrenal insufficiency).
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay (IA)
Biomarkers
Cortisol
AnalyteCortisol, P.M.
Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
1 day
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL
Minimum Volume
0.5 mL
Container
Plastic screw‑cap vial
Collection Instructions
Collect specimen between 3–5 p.m.; indicate collection time on container and requisition.
Patient Preparation
Assay not recommended when patient is receiving prednisone/prednisolone therapy due to cross reactivity with the antibody used in this assay.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 7 days |
| Frozen | 28 days |
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