Thyroid level (T4)
This tests measures the levels of the thyroid hormone T4. This is the main hormone that the thyroid produces. It is responsible for balance of your metabolism and some hormones. Most physicians check thyroid hormone (TSH) before T4 levels. This is a blood test.
Your Purchase:You are paying for a provider to order the test. The actual cost of the test will be billed separate by the testing facility.
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