Growth hormone plays a very important role in the human body, at a moderate level it can help develop bone length, stimulate other organs in the body. Excess growth hormone leads to many consequences, typically pituitary diseases, greatly affecting the patient's health.

A growth hormone (GH) test is a way to measure the amount of growth hormone (GH) in the blood. GH is a hormone produced by the pituitary gland, a small gland located at the base of the brain, on the floor of the third ventricle, in the sella turcica of the body of the sphenoid bone. It is secreted into the blood at levels that fluctuate throughout the day and night, with peaks occurring mainly at night.