Table TABLE.

 Proposed Criteria to Investigate Hyporeninemic Hypoaldosteronism

1.	Serum sodium >140 mmol/L on at least two occasions
2.	Serum potassium ≤3.5 mmol/L on two occasions
3.	Serum bicarbonate ≥28 mmol/L on two occasions
4.	At least two of the above findings that could not be explained by other means