Thyroid Panel - Hashimoto's Test
Thyroid Panel - Hashimoto's Test FAQ
What does this panel test for?
Why is this panel important?
What type of specimen will I submit?
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How long does it take to get test results?
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Related To The Thyroid Panel - Hashimoto's Test
More About the Hashimoto's Blood Test
The Hashimoto's test panel includes blood markers commonly used to check for possible Hashimoto's thyroiditis. According to the American Thyroid Association (ATA), it is the most common cause of low thyroid activity in the United States.
Hashimoto's thyroid disease, sometimes known as chronic lymphocytic thyroiditis, is caused by gradual destruction of thyroid cells from an overactive immune system. Hashimoto's leads to ongoing inflammation of the thyroid and, over time, a decreased ability to produce thyroid hormones.
Hashimoto's blood testing will, in many cases, demonstrate an elevated TSH (thyroid-stimulating hormone) level. As T3 and T4 thyroid hormone production dips with thyroid gland damage, TSH levels go up in an effort to stimulate the thyroid to produce more hormone. While the T3 and T4 levels can be stable or even slightly elevated for a while, they will tend to decline as more of the thyroid is damaged over time.
Two other important blood markers measured in the Hashimoto's test panel include the thyroid peroxidase antibodies and the thyroglobulin antibodies tests. These antibody tests measure components of the immune system that cause the actual damage to the thyroid gland. In most cases, one or both of these antibodies will be elevated, highlighting the immune system's role in causing the thyroid to be underactive.
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