What are normal ACTH test results?
ACTH is measured in picograms per milliliter (pg/mL).
Test results are influenced by the time of day the test was done.
Normal results are: Adults: 6-76 pg/ml (1.3-16.7 pmol/L).
When should ACTH levels be checked?
Blood is typically drawn in the morning, about 8 a.m. ACTH blood tests are used, usually in conjunction with cortisol tests, to help detect, diagnose, and monitor conditions associated with excessive or deficient cortisol in the body.
What does an ACTH blood test show?
An ACTH test is often done along with a cortisol test to diagnose disorders of the pituitary or adrenal glands. These include: Cushing’s syndrome, a disorder in which the adrenal gland makes too much cortisol. It may be caused by a tumor in the pituitary gland or the use of steroid medicines.
What is a normal ACTH?
Normal values — Plasma corticotropin (ACTH) concentrations are usually between 10 and 60 pg/mL (2.2 and 13.3 pmol/L) at 8 AM.
How do you test for ACTH deficiency?
CRH stimulation test A health care professional will give you an IV injection of CRH and take samples of your blood before and 30, 60, 90, and 120 minutes after the injection to measure ACTH levels. If the pituitary is damaged, it won’t make ACTH in response to the CRH injection.
What are the symptoms of low ACTH?
ACTH deficiency can either be congenital or acquired, and its manifestations are clinically indistinguishable from those of glucocorticoid deficiency. Symptoms include weight loss, lack of appetite (anorexia), muscle weakness, nausea and vomiting, and low blood pressure (hypotension).