ICD-10-CM > E00-E89 > E20-E35 > E26 E26 Hyperaldosteronism Non-Billable/Non-Specific Codes E26.0Primary hyperaldosteronismE26.01Conn's syndromeE26.02Glucocorticoid-remediable aldosteronismE26.09Other primary hyperaldosteronismE26.1Secondary hyperaldosteronismE26.8Other hyperaldosteronismE26.81Bartter's syndromeE26.89Other hyperaldosteronismE26.9Hyperaldosteronism, unspecified