What does the Growth Hormone (GH) - GH blood test mean? Get a free analysis of your blood test now. Here's what you get with our free analysis:
The Growth Hormone (GH) test measures the level of human growth hormone in the blood. GH is essential for growth and development in children and plays a role in metabolism, body composition, and muscle strength in adults. This test is used to diagnose growth disorders, pituitary gland problems, and certain types of tumors. It's often performed as part of a broader evaluation of endocrine function or to monitor treatment effectiveness for growth hormone-related conditions. Due to the pulsatile nature of GH secretion, a single measurement may not always be reliable, and stimulation or suppression tests might be necessary for accurate diagnosis.
A low GH level may indicate growth hormone deficiency, which can lead to stunted growth in children and various metabolic issues in adults. Causes include pituitary gland dysfunction, genetic disorders, or brain injuries. Symptoms might include decreased muscle mass, increased body fat, reduced bone density, and fatigue. In children, it can result in short stature and delayed puberty. Further tests may be needed to confirm the diagnosis and determine the underlying cause. Treatment often involves growth hormone replacement therapy.
Elevated GH levels can indicate acromegaly in adults or gigantism in children, usually caused by a pituitary tumor. Symptoms include enlarged hands and feet, coarse facial features, and organ enlargement. It can lead to serious complications like cardiovascular disease, diabetes, and arthritis. In children, it results in excessive growth and tall stature. High GH levels may also be seen in poorly controlled diabetes, malnutrition, or certain medications. Diagnosis typically requires additional tests, and treatment may involve surgery, radiation, or medication to normalize GH levels and manage symptoms.