Lab marker · High

High Aldosterone: what it means

A Aldosterone result above the normal range is considered high. Here is what a raised Aldosterone can point to, and when it is worth discussing with a doctor.

Reference range: 3–16 ng/dL upright morning (most labs); supine values are lower

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What a high Aldosterone can mean

  • Primary aldosteronism (Conn's syndrome) — adrenal adenoma or bilateral hyperplasia; high aldosterone with suppressed renin.
  • Secondary aldosteronism — heart failure, cirrhosis, nephrotic syndrome, renovascular hypertension; high aldosterone with high renin.
  • Diuretic therapy / volume depletion — appropriate physiological response.

When to discuss with a doctor

Aldosterone is rarely an isolated outpatient test — it's usually paired with renin (the ARR) and interpreted against the patient's blood pressure, sodium and potassium. Resistant hypertension on three drugs, hypertension with spontaneous hypokalaemia, or an adrenal incidentaloma is the typical trigger. Mediora.AI surfaces the value with sodium/potassium so the pattern is visible; primary aldosteronism diagnosis requires confirmatory testing by an endocrinologist.

Conditions this can relate to

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Mediora.AI is informational - interpretation, not a diagnosis. A single out-of-range value is common and often benign; always discuss decisions with your doctor.