Thyroid AnalysisMillions of Americans (predominantly women) suffer from thyroid disorders. This includes a large percentage of the population that have thyroid conditions but have either been undiagnosed or misdiagnosed. Symptoms of thyroid imbalances, such as fatigue, dry skin, constipation, depression, increased heart rate, weight gain/loss, and joint paint, can be vague and attributed to other disorders. In addition, many doctors are not thoroughly testing their patients or not using optimal lab ranges, which results in undetected thyroid conditions.
Thyroid hormones are essential regulators of the body’s metabolism and imbalances can affect every metabolic process in the body. Undiagnosed thyroid disease can put people at risk for diabetes, heart disease, lipid imbalances, depression, osteoporosis, and infertility. There are many factors that can interfere with thyroid function, such as stress, nutrient deficiencies, toxins, leaky gut, and inflammation.
Thoroughly assessing thyroid function and thyroid hormone metabolism is essential in determining root cause imbalances.
This Test Includes:
Thyroid Stimulating Hormone (TSH)
Released by the pituitary gland, TSH acts as a messenger to the thyroid gland. A high TSH level indicates that the thyroid gland is not making enough thyroid hormone. A low TSH level indicates that the thyroid gland is producing too much thyroid hormone.
Thyroxine (T4) Total & Free
T4 is the main thyroid hormone circulating in the blood. T4 is converted to T3, the active form of the hormone, as needed to increase metabolic function. Total T4 includes thyroxine that has bonded with protein as well as Free T4, which reflects active thyroxine that is not bonded to protein and able to enter and affect the body tissues.
Free T4 Index (FTI)
FTI tells how much free T4 is present compared to bound T4.
Triiodothyronine (T3) Total & Free
Total T3 reflects both bound and free triiodothyronine. Free T3 is an important biomarker for measuring active thyroid hormones available to thyroid receptor sites.
Indirectly measures the binding capacity of thyroxine-binding globulin (TBG), a protein that can bind to T4 and T3. T3 uptake measures the precent of TBG that is bound to thyroid hormones.
Reverse T3 is another inactive form of T3 that can be created from T4. It can increase because of nutrient deficiencies, heavy metal exposure, adrenal stress, enzyme deficiencies, and chronic illnesses.
Thyroglobulin Antibody and Thyroid Peroxidase (TPO) Ab
Measuring thyroid antibodies can help gauge autoimmune response and may reflect metabolic irregularities and hypothyroidism even when TSH and T4 levels appear normal. Thyroid antibody levels may rise in response to trauma, dysbiosis, inflammation (including thyroiditis) or progressive thyroid degeneration.
This test requires blood work. You’ll receive an email within 24-48 hours with a lab requisition form and necessary instructions. Take this to a local LabCorp Patient Service Center to have your blood drawn.
All tests are authorized and reviewed by a physician from our partner laboratory.
Your results will be emailed to you 3-5 business days from receipt. You will also receive a brief analysis of your test results from a Village Green licensed nutritionist.
Email a Village Green nutritionist or call 800-869-9159.
*Blood testing services are available only in the continental United States and Anchorage, AK. Not available in New York or New Jersey.
Types of Lab Tests
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