Table 6:

Basic classification scheme for causes of monogenic HTN²⁴

Low renin levels	Low aldosterone levels	Liddle syndrome Congenital adrenal hyperplasia Apparent mineralocorticoid excess Gellers syndrome
	Normal aldosterone levels	Gordon syndrome (pseudo hypoaldosteronism type II)
	High aldosterone levels	Familial hyperaldosteronism type I (glucocorticoid-remediable aldosteronism) Familial hyperaldosteronism type II Familial hyperaldosteronism type III Familial hyperaldosteronism type IV

HTN: Hypertension