Full Name: Aldosterone-to-Renin Ratio (ARR)
🧪 Grouped Test | 2 Hormonal Markers
Overview:
Evaluates renin-angiotensin-aldosterone system activity. Used to screen for primary hyperaldosteronism in patients with resistant hypertension or hypokalemia.
Fasting: Not required (medication restrictions may apply)
Timing: Morning draw preferred
Turnaround Time: 3-5 business days

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