Ashburn - GA
Walk-In TPO Test (Thyroid Peroxidase Antibody) in Ashburn
This blood test measures thyroid peroxidase (TPO) antibodies, which are autoantibodies directed against an enzyme the thyroid uses to make hormone. TPO Test (Thyroid Peroxidase Antibody) testing in Ashburn, GA: order online, visit a patient service center near you, and review your results in a secure account.
- Typical price
- From $158
- 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 TPO Test (Thyroid Peroxidase Antibody)
This blood test measures thyroid peroxidase (TPO) antibodies, which are autoantibodies directed against an enzyme the thyroid uses to make hormone. Their presence indicates that the immune system is targeting the thyroid and can be associated with autoimmune thyroid conditions such as Hashimoto thyroiditis and Graves disease. The test is ordered when a healthcare provider suspects an autoimmune cause for an underactive or overactive thyroid, or when thyroid function is abnormal without a clear explanation. TPO antibodies may be present even when thyroid hormone levels are normal, so they are interpreted with TSH, Free T4, and symptoms.
What this test measures
- Thyroid Peroxidase (TPO) Antibodies Autoantibodies that target an enzyme involved in thyroid hormone production.
Who this test may be right for
- People with an unexplained underactive or overactive thyroid
- Individuals with a family history of autoimmune thyroid disease
- Those with a goiter or thyroid swelling
- People with other autoimmune conditions being evaluated for thyroid involvement
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, since thyroid monitoring may change
Understanding your results
A positive TPO antibody result indicates autoimmune thyroid activity, but it does not by itself determine whether the thyroid is underactive or overactive. Some people with TPO antibodies have normal thyroid function and may simply be monitored over time, while others go on to develop dysfunction. The result is interpreted with TSH, Free T4, and symptoms. A healthcare provider should assess the findings and decide whether monitoring or further testing is appropriate.
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View testQuestions people ask
Where can I get a TPO Test (Thyroid Peroxidase Antibody) near Ashburn?
Patient service centers near Ashburn collect samples for this test. Choose a location when you order and visit at a time that works for you.
How much does a TPO Test (Thyroid Peroxidase Antibody) cost in Ashburn?
Typical pricing is From $158, 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 do TPO antibodies indicate?
TPO antibodies indicate that the immune system is targeting the thyroid, which can be associated with autoimmune thyroid conditions such as Hashimoto thyroiditis.
Can TPO antibodies be present with normal thyroid function?
Yes. Some people have TPO antibodies and normal thyroid hormone levels, so the presence of antibodies alone does not determine function.
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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.