Primary Aldosteronism (PA): Screening interpretation
#Nephpearls

All 3 must be present to be considered positive
1⃣ ⬆️ aldosterone (15-20 ng/dL)
2⃣ ⬇️ renin activity (<1 ng/mL/hour)
3⃣ ⬆️aldosterone-to-renin ratio (>/= 20:1)

We recommend against using direct renin due to highly variable normal ranges, from lab to lab, resulting in challenges with interpretation

From @jordy_bc 

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