Clovis - NM
TSI Test - Thyroid Stimulating Blood Test in Clovis, NM
This blood test measures thyroid-stimulating immunoglobulin (TSI), an autoantibody that mimics TSH and stimulates the thyroid gland. TSI Test - Thyroid Stimulating Blood Test testing in Clovis, NM: order online, visit a patient service center near you, and review your results in a secure account.
- Typical price
- From $119
- Results
- 1-3 business days
- Preparation
- See preparation notes below
Order this test online
- Buy online in a few minutes - no doctor's visit needed for most tests.
- Sample collection at a patient service center near you.
- Results are typically ready within 1-3 business days.
- Secure, lab-reviewed results delivered to your account.
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About the TSI Test - Thyroid Stimulating Blood Test
This blood test measures thyroid-stimulating immunoglobulin (TSI), an autoantibody that mimics TSH and stimulates the thyroid gland. TSI is closely linked to Graves disease, an autoimmune condition that causes an overactive thyroid, and it can also be measured during pregnancy because these antibodies can affect the baby's thyroid. The test is ordered when a healthcare provider suspects an autoimmune cause of hyperthyroidism, when the cause of an overactive thyroid is unclear, or to monitor a known condition. Results are interpreted with TSH, Free T4, Free T3, and clinical findings.
What this test measures
- Thyroid-Stimulating Immunoglobulin (TSI) An autoantibody that stimulates the thyroid similarly to TSH.
Who this test may be right for
- People with suspected Graves disease or an overactive thyroid
- Individuals with an unclear cause of hyperthyroidism
- Women with a history of Graves disease who are pregnant or planning pregnancy
- Those being monitored for a known autoimmune thyroid condition
Before your visit
- Report thyroid medications, biotin, and other supplements to the laboratory
- Follow any timing instructions provided with your order
- Tell your provider if you are pregnant or planning pregnancy
Understanding your results
A positive TSI result supports an autoimmune cause of thyroid stimulation, most notably Graves disease. The level can be followed over time, and it may be checked in pregnancy because these antibodies can cross the placenta. TSI is interpreted with TSH, Free T4, and Free T3, since it explains the cause rather than the current hormone output. A healthcare provider should assess the result with your symptoms and other thyroid tests.
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View testQuestions people ask
Where can I get a TSI Test - Thyroid Stimulating Blood Test near Clovis?
Patient service centers near Clovis collect samples for this test. Choose a location when you order and visit at a time that works for you.
How much does a TSI Test - Thyroid Stimulating Blood Test cost in Clovis?
Typical pricing is From $119, and the exact price is confirmed at checkout.
Do I need to prepare for this test?
Follow the lab's instructions.
How long do results take?
Most results are released in 1-3 business days.
What does TSI indicate?
TSI is an autoantibody that stimulates the thyroid, and its presence supports an autoimmune cause of hyperthyroidism such as Graves disease.
Why is TSI checked during pregnancy?
TSI can cross the placenta and affect the baby's thyroid, so it may be monitored in pregnancy when a history of Graves disease is present.
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Laboratory services are provided by independent, CLIA-certified testing partners. Availability, pricing, and turnaround times can vary by location and are confirmed at checkout.