T3 Uptake Most Popular

The T3 Uptake test contains 1 test with 1 biomarker.

Decreased: Pregnancy, estrogens, hyperproteinemia, acute intermittent porphyria.Increased: Androgens, hyperproteinemia, stress, acute liver disease.

The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

T3 Uptake

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.