What is the TSH lab test?
A TSH lab test is a blood test that measures the level of thyroid stimulating hormone in blood.
Why is the TSH lab test done?
A TSH lab test is done in order to:
- Monitor thyroid gland function,
- Diagnose hypothyroidism or hyperthyroidism,
- Screen newborns for congenital hypothyroidism,
- Evaluate the effectiveness of treatment of thyroid disorders.
What does a TSH lab test measure?
A TSH lab test measures the level of thyroid stimulating hormone in the blood. Thyroid stimulating hormone is released by the pituitary gland and its function is to regulate the release of thyroid hormones from the thyroid gland.
Are there any risks associated with this test?
There are no known risks associated with this test.
Can this test be performed in children?
This test can be performed in children if necessary.
How should I prepare for this test?
No special preparation is needed for this test.
What does a high TSH test result indicate?
A high TSH test result indicates that you have an underactive thyroid gland.
What are the causes behind a high TSH level?
Any infection or inflammation affecting the thyroid gland such as Hashimoto’s thyroiditis or autoimmune thyroiditis will cause the TSH level to be raised.
Normal TSH level in the blood is 0.4 - 4 mU/L.
A TSH lab test is done in order to:
- Monitor thyroid gland function,
- Diagnose hypothyroidism or hyperthyroidism,
- Screen newborns for congenital hypothyroidism,
- Evaluate the effectiveness of treatment of thyroid disorders.
