Compound S for Metyrapone Test
10 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS) after chromatography and solvent extraction
Cause for Rejection: Room temperature and Refrigerate specimen. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
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Involves measuring 11-deoxycortisol levels at two different time points, often before and after an ACTH stimulation test. It helps evaluate adrenal gland function and diagnose conditions affecting steroid biosynthesis, such as enzyme deficiencies or adrenal insufficiency
Serum (preferred) or Plasma
0.5 mL (each specimen) - submit two tubes, One vial labelled as baseline and one labelled as post metyraphone.
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 | 2 years |