NCIt definition : Subnormal concentration of adrenocorticotropic hormone (ACTH) resulting in decreased
secretion of cortisol by the adrenal gland.;
Alternative definition : NICHD: Central hypoadrenalism due to subnormal concentration of adrenocorticotropic
hormone (ACTH); the origin of the ACTH deficiency (hypothalamic vs. pituitary dysfunction)
is difficult to determine.;