A Growth Hormone test measures the level of Human Growth Hormone (GH) in the blood. GH is produced by the pituitary gland and is needed for a body's normal growth. In children, too much or too little Growth Hormone can cause gigantism or dwarfism. In adults, too much GH can cause a condition known as Acromegaly which causes bones in the face, jaw, hands, or feet to grow too large. Excessive HG production can be caused by tumors of the pituitary gland.
A Growth Hormone test is typically ordered to aid in the diagnosis of conditions involving abnormal growth. Because GH production is linked to other substances in the body, an IGF-1 test is often ordered to confirm unusually high GH levels.
Turnaround for the Growth Hormone test is typically 1-2 business days.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
This test requires fasting for 10-12 hours prior to collection. Because stress and exercise can raise Growth Hormone levels, it is recommended to rest for at least 30 minutes prior to collection.
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