24 hours
ECLIA
Sample collected outisde the timeframe of Cortisol AM and Cortisol PM
Accredited NRL Laboratory
Daily
Single time-point cortisol. Used in stress or adrenal testing.
Serum or Plasma
0.5 mL
Gel-barrier tube or green top Lithium Heparin
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | 5 days |