The fully automated IDS-iSYS Aldosterone is a specific immunoassay calibrated against gold-standard IDMS. In combination with IDS-iSYS Direct Renin, the aldosterone to renin ratio (ARR) can be determined in human plasma on the IDS-iSYS platform for the detection of the most common type of endocrine hypertension, Primary aldosteronism. Booth #1425.