The acknowledged causes of FH include defects in the low-density lipoprotein (LDL)-receptor (LDLR), apolipoprotein B (APOB), proprotein convertase subtilisin/kexin type 9 (PCSK9), and LDL receptor adaptor protein 1 (LDLRAP1) (1). The gene discussed is PCSK9; the disease is familial hyperaldosteronism.