Iodine Test FAQ
Why is Iodine important?
What are symptoms of Iodine deficiency?
What is an Iodine Test?
What type of specimen will I submit?
Do I need to fast to take this test?
How long does it take to get test results?
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Iodine Blood Test - More Information
The iodine test, also known as an iodine lab test, measures the iodine blood level.
Iodine is a mineral that is an important cause of thyroid dysfunction worldwide and leads to conditions such as underactive thyroid function (hypothyroidism). Iodine is an essential component of diets and a public health issue due to its importance in the production of the major thyroid blood hormones, T3 (triiodothyronine) and T4 (thyroxine). From a dietary standpoint, iodine is found in seafood and, in many countries, has also been added to common foods like table salt as a preventative measure.
An iodine deficiency is sometimes associated with a goiter which is an large thyroid gland. Goiters occur because low levels of thyroid hormone circulating in the blood send feedback to the pituitary gland to produce more TSH to stimulate the thyroid. Unfortunately, because the thyroid gland does not have enough iodine, it cannot produce the necessary hormones to shut off TSH production and stimulation. Unfortunately, the thyroid starts to grow cells to try to produce more hormone which causes it to get bigger.
Iodine deficiencies can also cause other issues like problems with mental capacity and abnormal breast enlargement. Fortunately, iodine supplementation via diet is an easy way to replace low iodine levels. If one is not careful, however, one can have too much iodine, leading to hyperthyroidism.
To get an iodine blood test near you, simply order online and get tested at the selected Quest lab location. As can be seen on the sample iodine lab report above, iodine blood levels will be reported as a numerical result which can be compared against the iodine reference range provided by the lab.
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