What is a healthy T4 level? A normal T3 level might be somewhere between 100 to 200 nanograms per deciliter (ng/dL), while a normal T4 level falls between 5.0 to 12.0 micrograms per deciliter (μg/dL).
What is a healthy T4 level?
A normal T3 level might be somewhere between 100 to 200 nanograms per deciliter (ng/dL), while a normal T4 level falls between 5.0 to 12.0 micrograms per deciliter (μg/dL). Free T4, which tests for the amount of T4 that is available in the body, should range between 0.8 to 1.8 nanograms per deciliter (ng/dL).
What does T4 levels tell you?
It also plays an important role in regulating your weight, body temperature, muscle strength, and even your mood. Thyroxine, also known as T4, is a type of thyroid hormone. This test measures the level of T4 in your blood. Too much or too little T4 can indicate thyroid disease.
What is a T4 lab result?
A T4 test measures the blood level of the hormone T4, also known as thyroxine, which is produced by the thyroid gland and helps control metabolism and growth. The T4 test is performed as part of an evaluation of thyroid function.
What causes elevated T4?
Abnormally high test results Elevated T4 levels may indicate hyperthyroidism. They may also indicate other thyroid problems, such as thyroiditis or toxic multinodular goiter. Other reasons for abnormal results may include: high levels of protein in the blood.
What is considered high T4?
Low T4 is seen with hypothyroidism, whereas high T4 levels may indicate hyperthyroidism. Normal range for an adult: 5.0 – 11.0 ug/dL (micrograms per deciliter of blood).
What is a normal T4 level for a woman?
A normal total T4 level in an adult is in the range of 5.0 to 12.0 mcg/dL (microgram/deciliter). High T4 indicates hyperthyroidism and low T4 indicates hypothyroidism.
What happens if T4 level is high?
Elevated T4 levels may indicate hyperthyroidism. They may also indicate other thyroid problems, such as thyroiditis or toxic multinodular goiter. Other reasons for abnormal results may include: high levels of protein in the blood.
What should my T4 free level be?
The normal range for free T 4 in adults is 0.8 to 1.8 nanograms per deciliter (ng/dL). A level of free T 4 that is higher than normal could mean you have an overactive thyroid. Conditions associated with hyperthyroidism include Graves disease, an autoimmune disorder.