ALDOSTERONE, 24-HOUR URINE

What this test checks

Measures aldosterone in 24-hour urine — more accurate than single blood test.

Why do people get this test?

Used in detailed work-up of high blood pressure.

When you should consider this test

• Hard-to-control BP
• Suspected primary aldosteronism
• Specialist requested

How to prepare

24-hour urine collection — container provided.