Aldosterone/Renin Activity Ratio (ARR)
- Hormones
Learn what Aldosterone/Renin Activity Ratio (ARR) measures and how it fits into your health data.
What is Aldosterone/Renin Activity Ratio (ARR)?
The Aldosterone-to-Renin Ratio (ARR) is a screening tool for primary aldosteronism. ARR >20 with aldosterone ≥15 ng/dL suggests probable primary aldosteronism and warrants further workup.
Testing options
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