Thyroid Testing

The Thyroid is a gland that secretes hormones that regulate critical bodily processes.  Since 2002, Request A Test has been a leader in affordable direct-to-consumer online Thyroid Testing. Whether you are looking to check thyroid function or screen for disorders like Hyper or Hypothyroidism, Grave's, or Hashimoto's Disease, Request A Test is your source for convenient nationwide testing.



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Our educated and caring representatives can assist you by calling (888) 732-2348.

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Discount Thyroid Packages

Request A Test has created various popular thyroid testing packages to offer even deeper savings from our already discounted prices and bundled commonly ordered thyroid testing items.

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Individual Thyroid Tests

Request A Test has the most complete thyroid blood testing offerings available online. If you don't see a thyroid test that you need, please call us to inquire at 888-732-2348.

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Thyroxine, T4 Total, Tetraiodothyronine

T4 Free, Direct

Free T4, T4 Free, Free Thyroxine, Thyroxine (T4), Free, Direct


Thyroid-Stimulating Hormone, Third-generation TSH

TSH and Free T4

Thyroid-stimulating Hormone (TSH) and Free Thyroxine (T4)

TSH and T4

Thyroid-Stimulating Hormone (TSH) and Thyroxine (T4), T4 and TSH

TSI, Blood

Human Thyroid Stimulator (HTS), Thyroid Stimulating Antibody (TSAb), Long-acting Thyroid Stimulator (LATS)

Thyrotropin-Binding Inhibitory Immunoglobulin (TBII), Blood

Thyroid Stimulating Hormone (TSH) Receptor Antibody, TSH Receptor Blocking Antibody