Diagnostic finding

Decreased ACTH

Below-normal plasma concentration of adrenocorticotropic hormone (normal ACTH range: 7.2 - 63.3 pg/mL), leading to secondary adrenal insufficiency with impaired cortisol secretion.

Causes

  • Long-term corticosteroid use

  • Pituitary tumor

  • Pituitary surgery or radiation

  • Autoimmune hypophysitis

  • Traumatic brain injury

  • Pituitary apoplexy or infarction

  • Genetic or congenital defects

Also known as: ACTH deficiency, Adrenocorticotropic hormone deficiency, Low ACTH

Referencing diagnoses

Note: Lists existing diagnoses in Diagnotize only.