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A luteinizing hormone (LH) test measures the level of this hormone in the bloodstream. LH plays an important role in sexual development.
A partial thromboplastin time (PTT) test is used to evaluate blood’s ability to clot. It may be done as part of an evaluation for a bleeding disorder or to monitor the effects of blood-thinning medicine.
Doctors may order a PT test as part of an evaluation for a bleeding disorder or to monitor the effects of blood-thinning medicine.
This test measures the rate at which reticulocytes (immature red blood cells) are made in the bone marrow and enter the bloodstream. A reticulocyte count can provide information about a child’s anemia.
A somatomedin C test usually is ordered to check for pituitary gland disorder and problems with growth hormones production.
The T3 total test is part of an evaluation of thyroid function. It’s particularly useful in diagnosing hyperthyroidism, which can cause symptoms such as a fast heart rate, weight loss, trembling and sweating.
Doctors may order the T4 blood test if a person has symptoms that suggest any kind of thyroid disorder.
A testosterone blood test may be done if a child seems to be entering puberty earlier or later than expected, or to check for damage or disease of the testes or ovaries, adrenal glands, or pituitary glands.
Doctors do thyroglobulin antibodies tests to help diagnose autoimmune conditions involving the thyroid gland, or when they suspect a thyroid disorder.
The thyroid peroxidase antibodies test can help doctors diagnose and monitor autoimmune conditions involving the thyroid gland, including Hashimoto’s thyroiditis and Graves disease.
