Growth Hormone Deficiency Test Results
The growth hormone gh stimulation test measures the ability of the body to produce gh.
Growth hormone deficiency test results. An insulin like growth factor 1 test igf 1 test is often ordered at the same time as a gh serum test. In addition to blood tests your doctor may perform some additional exams and tests to help diagnose growth hormone deficiency. Blood samples are taken through an intravenous iv line instead of reinserting the needle each time. Some labs use different measurements or test different samples.
An mri of the brain may be taken so your doctor can see the pituitary gland and hypothalamus. Continued how to prepare your child for the test. If the results of your hgh test or tests reveal that your growth hormone levels fall below the normal ranges for your age weight and gender you may be a candidate for growth hormone replacement therapy. Talk to your provider about the meaning of your specific test results.
A dual energy x ray absorptiometry dxa scan measures your bone density. However your levels of growth hormone fluctuate widely throughout the day and night called diurnal variation. Normal value ranges may vary slightly among different laboratories. A normal value rules out hgh deficiency.
In general a child whose test results show a gh concentration of 10 ng ml or greater in response to stimulation doesn t have gdh. Several tests may be needed to see if your child has a growth hormone deficiency. Some involve the measurement of different hormones with simple. How the test is performed blood is drawn several times.
A blood test with a. If a child s test results show a gh concentration of less. In some laboratories the normal level is 7 ng ml 7 µg l. Gh testing is also used to detect excess gh and to help diagnose and monitor the treatment of acromegaly and gigantism.