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ADD ON Free T3
What's Included?
No special preparation is necessary.
Among the thyroid hormones produced in the thyroid gland T3 (triiodothyronine) is regarded as the most active, and is produced (up to 80%) by the breakdown of the other major thyroid hormoneT4 (tetraiodothyronine) in the body’s tissue.
The majority of T3 (99.7%) in the bloodstream is the protein-bound form, and a minority of T3 (0.3%) is unbound.
Variations in total thyroid hormone in blood may result from either changes in the bound concentrations, or thyroid hormone production. Thyroid disorders usually appear when there is a net change of free unbound fractions over a period of time, therefore the best measure of thyroid status is the concentration of both free hormones.
Determination of the free T3 concentration allows also the follow-up of patients under liothyronine therapy.
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What's Included
CloseThe Price listed in the top right hand corner of each test description represents the ENTIRE COST to you. The following services are provided in that cost. There are NEVER any additional or hidden fees.
- Collection Fee for sample draw.
- Ordering Physician Fee (Lab Order Approval).
- Personal Health Record (PHR) creation that will hold ALL future results from our testing.
- Secure Data Storage that insures your results can ONLY be accessed by YOU.
- Transaction Fees that occur as part of the purchase process.