How To Order Your Labs

1. Order Labs
Order online or over the phone:  1-877-511-LABS.

No doctor or consultation visit is needed. We include the required doctors order with all our testing. 

You will not incur any additional charges at the lab. Our prices are all inclusive.

2. Find Lab Near You

Find a LabCorp or Quest Diagnostics location near you on our Lab Locator. After ordering your lab testing, you will receive an email with your lab requisition.  Bring this requisition form (printed or on phone) to the laboratory.

No appointment is needed, but making one can minimize the wait time. 

3. Lab Results Ready

We’ll email you when your results are ready. You can access the test results logging into our portal with your secure account.

Most results take 1-2 days, but some take longer. See the test description for an estimate on how long your results might take.

Certain result values may prompt a phone call from our ordering provider to ensure the patient is aware of their result.

Check status of your results on the "Where are my results" page.

Thyroid Testing

Why Order Thyroid Tests Online?

At Health Testing Centers we make lab tests easy to order online, allowing you to avoid the hassle of visiting your doctor. We provide thyroid testing at a lab near you, including Doctor's oversight, using the same local labs that your doctor would send you to. Test results are not part of your medical record and are delivered directly to you, saving time and money. Laboratory testing ordered through healthtestingcenters.com is safe, easy, and typically less expensive than traditional blood testing via doctor's order.

When you order lab tests online through Health Testing Centers, you avoid visits to your doctor's office, and you can order and test the same day through one of our nearby walk-in labs.

 Fast, accurate, clear lab results without doctor visit
 100% satisfaction guarantee
 Private and confidential

Featured Thyroid Tests and Packages

Featured Tests and Packages
Expanded Thyroid Panel

Measures the amount of thyroid-stimulating hormone (TSH), T3 uptake, T4, T7 and T3 Total.

Comprehensive Thyroid Panel

Measures the amount of thyroid-stimulating hormone TSH, Free T3, Free T4, T3 Uptake, T4, T7, T3 Total and Thyroid Peroxidase Antibody (TPO).

Thyroid Lab Tests (A-Z)

Lab Tests (A-Z)
Calcium, Ionized

The Calcium, Ionized test is used to measure the free or unbound amount of calcium in the blood.


This test is used to measure the amount of Iodine in the blood. Too little or too high of Iodine in the blood may play an important contributing factor in thyroid disease and conditions.

Parathyroid Hormone (PTH) and Calcium

Measures the amount of parathyroid hormone and calcium. PTH helps regulate calcium, vitamin D, and phosphorus levels in the blood and bones.

Parathyroid Hormone (PTH), Intact

Measures the amount of intact parathyroid hormone to evaluate parathyroid function and abnormal calcium levels.

Reverse T3

Measures the level of Reverse T3, that may inhibit the action of the T3 hormone.

T3 (Triiodothyronine), Free

Measures the amount of freely circulating triiodothyronine (T3) to evaluate thyroid function.

T3 (Triiodothyronine), Total

Measures the total amount of triiodothyronine, T3, to evaluate thyroid function.

T3 Uptake

Measures the amount of proteins in the blood that are capable of carrying a thyroid hormone.

T4 (Thyroxine), Free

Measures the amount of free thyroxine (T4) to evaluate thyroid function.

Thyroglobulin Antibody

The Thyroglobulin Antibody test may be ordered when an individual has symptoms of a thyroid disorder or to evaluate treatment of thyroid cancer.

Thyroid Peroxidase (TPO) Antibodies

Measures the amount of thyroid peroxidase (TPO) antibodies to help understand the cause of thyroid disorders.

Thyroid Profile

Measures T3 Uptake, T4 and T7

Thyroid Stimulating Immunoglobulin

A TSI test measures the amount of thyroid stimulating immunoglobulin in your blood.

Thyroid-Stimulating Hormone (TSH)

Measures the amount of thyroid-stimulating hormone (TSH) to evaluate thyroid function

T4 (Thyroxine), Total

The Thyroxine Total (T4 total)  measures the level of a key thyroid hormone, T4, in the blood.

Thyroxine-Binding Globulin (TBG)

This TBG test is used to measure the level of Thyroxine-Binding Globulin in the blood to further evaluate thyroid function.

Thyroid Stimulating Hormone (TSH) and Free T4

Measures the amount of thyroid-stimulating hormone (TSH) and free thyroxine (T4) to evaluate thyroid function

Thyroid Health FAQ

Reviewed By: Dr. Kurt Kloss, MD
Last Reviewed Date: Jan 26, 2020
Last Modified Date: Jan 26, 2020
Published Date: Jul 29, 2017

Does Thyroid Testing Makes Sense for Me?

Your thyroid gland, located in the front of your lower neck, produces hormones that regulates your mood, energy levels, and metabolism. It produces two main hormones, T3 (triiodothyronine) and T4 (thyroxine), that influence a wide range of critical functions.

Feeling tired all the time? Do you have sudden weight gain or weight loss for no clear reason? These are both common symptoms of hypothyroidism. Experiencing persistent dry skin? Is your heart rate fast? These all are signs that you may have a thyroid problem such as:

  • hyperthyroidism (overactive thyroid)
  • hypothyroidism (underactive thyroid)
  • thyroiditis (inflammation of gland)
  • goiters
  • Graves' disease (a common cause of hyperthyroidism)
  • Hashimoto's disease (a common cause of hypothyroidism)
  • thyroid nodules (a common cause of producing too much thyroid hormone, either T3 or T4)
  • thyroid cancer

According to the American Thyroid Association (ATA), thyroid disorders affect more than 20 million Americans, with more than 60% being unaware of their condition. The ATA recommends thyroid testing via a blood test for adults every 5 years starting at age 35. Thyroid screening is also prescribed for women during pregnancy and the postpartum period. Studies show women to be eight times more likely than men to experience a thyroid problem.

We measure your levels of thyroid hormones starting with thyroid stimulating hormone, commonly known as a TSH test. Measuring TSH levels is typically the first step to evaluate thyroid function. If abnormal levels of TSH are indicated, medical advice is normally to follow up with a T4 test (total T4 or free T4 levels). Other recommended follow up testing include t3 tests and measuring thyroid antibodies, particularly thyroid peroxidase (TPO) antibodies.

Health issues may be a result of pituitary gland function or there may be other factors contributing to a thyroid condition. In some cases, a thyroid scan using radioactive iodine may be utilized to diagnose the problem. However, the easiest first step to determining the cause of a thyroid problem is a thyroid blood test.

What do my thyroid test results mean?

Thyroid function tests are laboratory blood tests that measure your thyroid hormone levels and compare them to a normal range which can vary across laboratories. View sample thyroid test results with lab variations, ranges and explanations. Thyroid blood test results are a valuable tool for individuals with certain thyroid health concerns.

Following is a simplified summary of normal ranges for each of the thyroid hormones:

  • TSH: between 0.4 and 5.0 milli-international units per liter (m IU/L). But, many scientists and doctors believe that some individuals do have thyroid malfunctions with a TSH above 2.5 instead of 5.0
  • T3: between 80 and 180 nanograms per deciliter (ng/dl)
  • T4: between 4.6 and 12.0 micrograms per deciliter (ug/dl)
  • Free T4: between 0.7 and 1.9 ng/dl

Where can I get thyroid testing near me?

You can order thyroid tests from Health Testing Centers and visit a local LabCorp or Quest Diagnostics in any of the states listed below. Combined there are over 3000 locations to choose from across America. You can also find locations in your area by entering your zip-code on our Lab Locator page.