Synacthen Test

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Also known as: ACTH stimulation test
Related tests: ACTH, Cortisol

At a Glance

Why Get Tested?

To help diagnose Addison's disease

When to Get Tested?

When the doctor suspects that the adrenal gland is not producing enough cortisol

Sample Required?

A blood sample is collected and then a small amount of synacthen is injected into a vein.  A further blood sample is taken after 30 minutes and sometimes after 60 minutes.