Highlights	Class of Recommendation	Level of Evidence
•Confirmatory tests have not been validated following the STARD criteria.	IIa	C
•They serve as exclusion test, i.e. captopril challenge test, oral sodium loading test, the saline infusion test to avoid subtyping in ARR false positive results, which should be raise if the ARR is properly performed.	IIa	B
•The confirmatory tests are not necessary in patients with florid phenotype (high ARR, high aldosterone with or without low potassium levels).	IIa	A