Individual tests

Cholesterol is a substance found throughout the body. Your body needs some cholesterol to work properly, but too much will block your arteries and lead to heart disease and stroke.
Antibodies are immune system proteins that fight foreign substances like viruses and bacteria. Sometimes antibodies attack the body's cells, tissues, and organs by mistake, known as an autoimmune response. When thyroid antibodies attack healthy thyroid cells, it can lead to Hashimoto's or autoimmune thyroiditis. This test measures the level of thyroid antibodies in your blood.
Triglycerides are a common type of fat that comes from food and consuming extra calories. Your body changes these excess calories into triglycerides and stores them in fat cells. When your body needs energy, it releases triglycerides. Very-low-density lipoprotein (VLDL) cholesterol particles carry the triglycerides to your tissues. Having a high level of triglycerides can raise your risk of heart disease.
TSH stands for thyroid stimulating hormone. The thyroid is a small gland in the front of your neck, controlled by the pituitary gland. The pituitary gland makes TSH to control the production of thyroid hormones. When the thyroid hormone levels in your blood are too low, your pituitary gland produces larger amounts of TSH to tell your thyroid to work harder.
The TRAb or TSH receptor antibody measures the ability of antibodies to inhibit TSH binding to their receptor. TSH is a pituitary gland hormone that stimulates the thyroid hormone's release into the blood. Measurement of TRAb is used to diagnose and manage Graves' disease, neonatal hypothyroidism, and postpartum thyroid dysfunction.
TSIs are antibodies that tell the thyroid gland to release excess amounts of thyroid hormone into the blood. High levels of TSI in the blood can indicate Graves’ disease. This autoimmune disease affects the thyroid gland and causes hyperthyroidism (an excess of thyroid hormone leading to several abnormal metabolisms in your body).
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