Which tests confirm primary aldosteronism?

Updated: Mar 24, 2020
  • Author: Gabriel I Uwaifo, MD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

Confirmatory (second-tier) tests include the following:

  • Serum aldosterone level
  • 24-hour urinary aldosterone excretion test
  • Salt-loading test

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