Cort-stim test

A Cort-stim test - ACTH (Cortrosyn) stimulation test - is a type of blood test which can determine whether or not the pituitary and adrenal glands are functioning properly. It is most often used when adrenal gland disorders (such as Addison's disease or pituitary insufficiency) are suspected.

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This test measures the ability of the adrenal cortex to respond to ACTH by producing cortisol appropriately. Cortisol in the blood is measured before and again after an ACTH injection.