Aldosterone, serum

Aldosterone, serum is a topic covered in the Guide to Diagnostic Tests.

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Aldosterone, serum

Salt-loaded (120 meq Na+/d for 3–4 days):

Supine: 3–10 ng/dL

Upright: 5–30 ng/dL

Salt-depleted (10 meg Na+/d for 3–4 days):

Supine: 12–36 ng/dL

Upright: 17–137 ng/dL

SST, Red


Early AM fasting specimen. Separate immediately and freeze.

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