CORTISOL STIMULATION BY ACTH

What this test checks

Measures cortisol response after an ACTH injection — confirms adrenal insufficiency (Addison's disease).

Why do people get this test?

Confirms or rules out adrenal insufficiency.

When you should consider this test

• Suspected Addison's disease
• Unexplained low blood pressure with fatigue
• Specialist requested

How to prepare

Specialised test by trained staff. You'll need multiple blood draws.