16 days
Mass Spectrometry (MS)
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Measures a mineralocorticoid precursor involved in aldosterone synthesis. Helps in diagnosing primary aldosteronism and related adrenal disorders.
Serum (preferred) or Plasma
3 mL
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.
Separate serum or plasma from cells within 45 minutes of collection. Send serum in a plastic transport tube. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
| Temperature | Period |
|---|---|
| Frozen | 90 days |