Urine norepinephrine

Norepinephrine is a hormone secreted by the adrenal medulla, adrenal neurons and extra-adrenal chromaffin. In addition to evaluating the adrenal medulla function, this test can also determine the excitability of sympathetic nerves.

The material in this site is intended to be of general informational use and is not intended to constitute medical advice, probable diagnosis, or recommended treatments.