Thyroid Hormone Test - Triiodothyronine - T3
This test measures the blood levels of triiodothyronine, a thyroid hormone.
This test checks the blood level of T3 (triiodothyronine), a hormone made by the thyroid gland. It is often done along with or after a thyroid-stimulating hormone (TSH) test and thyroxine (T4) test.
- Thyroid hormones help control how the body uses energy, but are also associated with managing body temperature, muscle function, heart rates, and mental functioning.
- This test may be done with other thyroid tests to see how well your thyroid gland is working.
In an adult, the blood sample is taken from a vein in the arm. If this test is done on an infant, blood is collected by pricking the heel or finger.
- Some medications can interfere with the test. Ask your healthcare provider if you need to stop taking any medications before the test.
- Do not stop taking any medication unless your healthcare provider tells you to do so.
What should I ask my healthcare provider before having this test?
- Is there any special preparation for the test? (If so, get clear instructions on what you need to do.)
- What is the reason for the test? Will the test results change my treatment plan? If not, do I need the test?
Source UHC.com
Also known as:
TSHTriiodothyronineTRHThyroid Hormone Test - Triiodothyronine - T3Thyroid GlandThyroid FunctionThyroid Blood TestT3 Blood TestLaboratory WorkHypothyroidismHypothyroid TestHyperthyroidismHyperthyroid TestGoiterBlood Test for Thyroid Disorder
This test checks the blood level of T3 (triiodothyronine), a hormone made by the thyroid gland. It is often done along with or after a thyroid-stimulating hormone (TSH) test and thyroxine (T4) test.
- Thyroid hormones help control how the body uses energy, but are also associated with managing body temperature, muscle function, heart rates, and mental functioning.
- This test may be done with other thyroid tests to see how well your thyroid gland is working.
In an adult, the blood sample is taken from a vein in the arm. If this test is done on an infant, blood is collected by pricking the heel or finger.
- Some medications can interfere with the test. Ask your healthcare provider if you need to stop taking any medications before the test.
- Do not stop taking any medication unless your healthcare provider tells you to do so.
What should I ask my healthcare provider before having this test?
- Is there any special preparation for the test? (If so, get clear instructions on what you need to do.)
- What is the reason for the test? Will the test results change my treatment plan? If not, do I need the test?
Source UHC.com
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