This assay is a competitive assay that uses direct chemiluminescence to identify the amount of cortisol in the patient sample.
This test measures the production of the steroid hormone cortisol that is produced by the adrenal glands, which sit on top of each kidney.
Specimen Collection and Preparation
Serum or plasma sample in the following tubes:
Serum separator tube (gold or tiger top)
EDTA (lavender top) and Lithium Heparin (green top)
Specimen Storage and Stability
Store serum or plasma at the following temperatures:
Room temperature: Up to 8 hours
Refrigerated: 2°C to 8°C for up to 48 hours
Frozen: -20°C or lower; Freeze samples only once and mix thoroughly after thawing.
Insufficient sample volume
Sample not stored at proper temperature
Frozen whole blood
Severely hemolyzed samples
Severely lipemic specimens
Specimen labeled incorrectly or not labeled
Monday – Saturday
Result available within 24 hours of receipt in laboratory
NOTE: Specimens are refrigerated (2-8°) for 7 days before disposal
STAT results available within 2 hours of receipt in the laboratory
Vibra Health Laboratory
1307- A, Allen Dr
Troy, MI 48083