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What is the T3 uptake test?

April 26, 2017T3 Test uptake

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What is the T3 uptake test?

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T3 uptake is also known as T3 Resin Uptake (T3RU) or Thyroid Uptake. It estimates how much thyroid hormone-binding proteins are available in the blood through a calculation based on levels of T3 or T4 added to a patient’s blood specimen. It is rarely ordered anymore in favor of free T3 and free T4 levels.

0

Posted

T3 uptake is also known as T3 Resin Uptake (T3RU) or Thyroid Uptake. It estimates how much thyroid hormone-binding proteins are available in the blood through a calculation based on levels of T3 or T4 added to a person’s blood specimen. It is rarely ordered anymore in favor of free T3 and free T4 levels.