The proportion, quantity, or volume in whole blood, serum, or plasma of the pituitary hormone that stimulates the secretion of adrenal cortical steroids and induces growth of the adrenal cortex.
Synonyms:
related_synonym:
circulating adrenocorticotropic hormone level; circulating adrenocorticotropin level; serum levels of ACTH; serum levels of adrenocorticotropin