What's this test for?

This test is ideal if you're experiencing confusing thyroid lab results, like a TSH level that seems too high or too low compared to how you actually feel or what your other thyroid tests show. It helps figure out if antibodies interfering with the TSH test itself are the reason for the mismatch, rather than an actual thyroid problem. It's often used as a follow-up test rather than a first-line thyroid check.

What happens after I get my results?

Your results will show up in your account along with an explanation of what a normal versus abnormal range looks like for TSH antibodies. If your results suggest antibody interference, a reasonable next step is retesting with a different method or repeating free thyroxine and triiodothyronine tests to double check the picture. You can download a standard lab report right from your account at any time, and the trends feature lets you track results if you test again in the future. If a value comes back extremely abnormal alongside symptoms like a racing heart or extreme fatigue, seek medical care promptly.

What symptoms indicate I may need this test?

You might consider this test if you've had thyroid blood work come back oddly high or low but you don't have typical thyroid symptoms like weight change, fatigue, or temperature sensitivity. It's also useful if repeat testing keeps giving inconsistent TSH numbers. Mismatched lab results without matching symptoms are the main clue that antibody interference could be involved.

When will I get my results?

Results are typically ready within about 7 days of your sample being tested. You'll get a notification once they're posted to your account, where you can view the values and what they mean.

Who should consider this test?

This test is a good fit for people whose TSH results don't line up with their free thyroxine and triiodothyronine levels or with how they're feeling. It's also useful if you've had repeated thyroid panels come back inconsistent from one lab or one draw to the next. People already being treated for a thyroid condition whose dosing doesn't seem to match their lab numbers may also benefit.

How can I naturally support healthy thyroid testing accuracy?

While you can't naturally change antibody interference, you can support your thyroid function by eating enough iodine and selenium-rich foods like fish, eggs, and nuts, getting consistent sleep, and managing stress. Avoid taking high-dose biotin supplements for a few days before any thyroid blood draw, since biotin is a common cause of skewed thyroid test results. Staying consistent with when and how you take any thyroid medication also helps keep your results reliable over time.

What is TSH antibody interference and why does it matter?

TSH antibodies are proteins your immune system sometimes makes that bind to TSH in your blood, forming a larger molecule that can throw off standard TSH test readings. This matters because it can make your thyroid look like it's malfunctioning on paper when it's actually working fine, potentially leading to unnecessary treatment. Identifying this interference helps make sure any treatment decisions are based on an accurate picture of your thyroid health.

What does a high TSH antibody result mean?

A high or positive result suggests antibodies may be binding to TSH and interfering with standard lab measurements, which could explain why your TSH numbers look unusual. This doesn't necessarily mean something is wrong with your thyroid itself. It's a signal that your results should be interpreted carefully, possibly alongside repeat testing or an alternative testing method.

How often should I retest?

If your first result shows possible antibody interference, retesting once your thyroid medication or health status has stabilized, often after a few months, can help confirm the pattern. If you're not on any thyroid treatment and your result was a one-off oddity, retesting isn't usually needed unless new symptoms come up. Tracking results over time in your account can help you and any future testing decisions stay consistent.

What should I do if my results are abnormal?

Start by reviewing the explanation provided with your results to understand what the specific value indicates. Consider retesting, ideally with a different testing method, to see if the pattern holds, and avoid biotin supplements for several days beforehand. If your results come with concerning symptoms such as a rapid heartbeat, significant weight changes, or severe fatigue, seek medical care right away.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

TSH Antibody Test - Thyroid Result Accuracy Check

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

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