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- THYROID Panel (TSH + Free T3 + Free T4)$65.10
This panel includes comprehensive testing of the thyroid stimulating hormone (TSH) in addition to free thyroxine (T4) and free triiodothyronine (T3). This thyroid panel offers a lower cost than buying each hormone separately. If you take biotin, please wait at least 8 hours to get blood drawn. A study found that TSH was suppressed in all subjects after food, so fasting may be suggested although it is not reqired by Quest. Free T4 and Free T4 values did not change significantly after eating.
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