1 doctor weighed in:

Acth stimulation test results accurate?

1 doctor weighed in
Dr. Ed Friedlander
Pathology

In brief: Depends

I'm assuming no lab errors.
If you get a very high cortisol spike after receiving the first dose of ACTH, you are reassured you do not have Addison's. No, or a very small spike, strongly suggests Addison's. In-between... that's why there are specialist endocrinologists.

In brief: Depends

I'm assuming no lab errors.
If you get a very high cortisol spike after receiving the first dose of ACTH, you are reassured you do not have Addison's. No, or a very small spike, strongly suggests Addison's. In-between... that's why there are specialist endocrinologists.
Dr. Ed Friedlander
Dr. Ed Friedlander
Thank
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