What blood test do doctors use to check thyroid function?
Doctors may order one or more blood tests to check thyroid function. This test may include thyroid stimulating hormone (TSH), T4, T3 and thyroid antibody tests. For this test lab technician will collect blood samples from your arms for testing.
When should thyroid test be done?
Most of the time, every 4 to 6 weeks your thyroid hormone level will be checked and once at least after 30 weeks. A thyroid panel test can identify various causes like hyperthyroidism, hypothyroidism, grave disease and thyroid cancer.
How thyroid caused?
Thyroid problems can be caused due to iodine deficiency autoimmune diseases in which the immune system attacks the thyroid, hyperthyroidism caused by Graves' disease or hypothyroidism caused by hashimoto's disease.
What are the types of thyroid tests?
There are mainly 3 types of Thyroid tests
- T4 test: this test is done to measure the blood level of hormone T4 (thyroxine).
- TSH: A thyroid stimulating hormone (TSH) test can help tell how well the thyroid is working.
- T3 total test: The t3 total test measures the other major thyroid hormone in the blood.
Can a Thyroid Test be done on an empty stomach?
Doctors recommend that you do not fast before thyroid function test, as it may impact TSH level.
