Dexamethasone Suppression Test
19 days
High-pressure liquid chromatography (HPLC)/tandem mass spectrometry (MS-MS)
Accredited Laboratory Partner
Contact Technical Support
Evaluates cortisol suppression. Used to diagnose Cushings syndrome.
Serum or Plasma
3 mL
Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, or green-top (heparin) tube
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.
Strictly frozen, requires own sample container
| Temperature | Period |
|---|---|
| Frozen | 1 year |
Dexamethasone Suppression Test
19 days
High-pressure liquid chromatography (HPLC)/tandem mass spectrometry (MS-MS)
Accredited Laboratory Partner
Contact Technical Support
Evaluates cortisol suppression. Used to diagnose Cushings syndrome.
Serum or Plasma
3 mL
Red-top tube, gel-barrier tube, lavender-top (EDTA) tube, or green-top (heparin) tube
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.
Strictly frozen, requires own sample container
| Temperature | Period |
|---|---|
| Frozen | 1 year |