What a complete thyroid panel tests, and when it is worth getting
Clinically reviewed by Pedro Alvarez, PA-C, Florida-licensed Physician Associate (PA9113765) · Last reviewed 2026-10-06
The short answer
A complete thyroid panel is one blood draw that measures five things: TSH, free T4, free T3, and two thyroid antibodies. Together they show whether your thyroid is underactive, overactive or working normally, and whether your immune system is involved. At Goza, a Florida telehealth practice, it costs $105.91 including a licensed provider’s review. You order online and walk into a Quest Diagnostics location in Florida. No insurance is needed.
What is in the panel
| Test | What it looks at | Why it is useful |
|---|---|---|
| TSH | The signal your brain sends to your thyroid | Usually the first test checked. Too high or too low may be a sign of a thyroid problem |
| Free T4 | The main hormone your thyroid makes | A high level may mean an overactive thyroid. A low level may mean an underactive one |
| Free T3 | The active form of thyroid hormone | Adds detail when an overactive thyroid is suspected |
| TPO antibodies | Antibodies against a thyroid enzyme | Present in most people with Hashimoto’s disease |
| Thyroglobulin antibodies | Antibodies against a thyroid protein | Another sign that the immune system may be affecting the thyroid |
Why the antibodies matter
Hashimoto’s disease is the most common cause of an underactive thyroid. In Hashimoto’s, the immune system makes antibodies that attack the thyroid gland. It is 4 to 10 times more common in women than in men.
Antibody tests can help diagnose an autoimmune thyroid condition. A positive antibody result on its own is not a diagnosis. Your provider reads it alongside your TSH, your free T4 and your symptoms.
What the guidelines actually say
- Screening without symptoms. For adults who are not pregnant and have no symptoms, the U.S. Preventive Services Task Force says the evidence is insufficient to recommend for or against routine thyroid screening.
- TSH comes first. The National Institutes of Health describes TSH as the test usually checked first. If it is not normal, at least one more test is needed to find the cause.
So this panel makes the most sense when you have a reason to look. Common reasons are ongoing fatigue, unexplained weight change, feeling cold or hot when others do not, hair thinning, a family history of thyroid disease, or a past borderline TSH. Getting all five tests in one draw can save you a second trip.
If you are having general blood work anyway, a TSH is included in our Comprehensive Wellness Panel, so you may not need this panel on top of it.
How to prepare
- No fasting is needed. Quest lists no fasting requirement for these tests.
- Mind your biotin, including hair, skin and nail supplements. It can skew thyroid results. Quest advises drawing at least 8 hours after a regular dose of biotin and at least 72 hours after a high dose.
- Tell us if you take thyroid medicine, and keep taking prescribed medicines unless your own prescriber has told you otherwise.
- No appointment is needed at Quest.
What happens after your draw
- Results usually arrive in 1 to 3 business days.
- A licensed Goza provider reviews them and sends you a written explanation of what is in range, what is not, and what to do next.
- If a result needs follow-up, you choose what happens next. You can book a video visit with a Goza provider to go over it and discuss any treatment we can offer by telehealth. Or we refer you to your primary care provider, or to other in-person care when that fits better. Either way, we say plainly which one applies.
Lab results are information, not a diagnosis on their own, and this panel is not for emergencies. If you have chest pain, trouble breathing, or any urgent symptom, call 911 or go to the nearest emergency room.
What it costs
- $105.91 all-in on Fullscript, our lab partner. That covers the lab tests, the draw at Quest, and the provider’s review of your results.
- Goza members: $56.91. The $49 clinician review fee is waived for members on every lab order.
- At-home blood draw is available for an extra $85.
- No insurance is needed, and nothing is billed to insurance.
About Goza
Goza is a Florida telehealth practice. Florida-licensed clinicians treat common conditions by message visit ($79) or video visit ($99), and review every lab panel ordered through Goza. We care for adults 18 and older who are physically in Florida, in English or Spanish. No insurance is needed. Goza does not prescribe controlled substances.
Frequently asked questions
Is a TSH test enough?
Often, yes, as a first step. If your TSH is not normal, more tests are needed to find out why. This panel runs them at the same time.
Can I have a thyroid problem with a normal TSH?
Most thyroid problems change the TSH. Your provider looks at the whole panel and your symptoms together, and will tell you if anything needs follow-up.
Do I need to fast?
No, not for these tests.
What if my antibodies are positive?
It means your immune system may be affecting your thyroid. It is not a diagnosis by itself. Your provider will explain what it means with the rest of your results.
Ready to order?
ORDER THIS PANEL
Thyroid Complete Panel
$105.91 Members $56.91
Labs, blood draw at Quest and provider review included · no insurance needed
Sources
- Quest Diagnostics. Test Directory, patient preparation and collection instructions for each test in this panel, read 2026-10-06. https://testdirectory.questdiagnostics.com/
- National Institute of Diabetes and Digestive and Kidney Diseases. Thyroid Tests. https://www.niddk.nih.gov/health-information/diagnostic-tests/thyroid
- National Institute of Diabetes and Digestive and Kidney Diseases. Hashimoto’s Disease. https://www.niddk.nih.gov/health-information/endocrine-diseases/hashimotos-disease
- MedlinePlus. Thyroid Antibody Test. https://medlineplus.gov/lab-tests/thyroid-antibodies/
- MedlinePlus. TSH (Thyroid-stimulating hormone) Test. https://medlineplus.gov/lab-tests/tsh-thyroid-stimulating-hormone-test/
- U.S. Preventive Services Task Force. Thyroid Dysfunction: Screening. March 24, 2015. I statement. https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/thyroid-dysfunction-screening
- U.S. Food and Drug Administration. Biotin Interference with Troponin Lab Tests (links the FDA safety communication that biotin may interfere with lab tests). https://www.fda.gov/medical-devices/in-vitro-diagnostics/biotin-interference-troponin-lab-tests-assays-subject-biotin-interference
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