Dexamethasone Suppression Test
24 hours
Electrochemiluminescent Immunoassay (ECLIA)
Accredited NRL Laboratory
Daily
Assesses cortisol suppression post dexamethasone to test for Cushings syndrome.
Serum or Plasma
1 mL
Red top tube or Gel barrier tube / 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 | 4 days |
| Frozen | 365 days |