If you’ve been found to have abnormal TSH levels, a T4, Free screening can be help to evaluate your thyroid function and diagnose a possible thyroid disease. This test can also be combined with other thyroid screenings to reveal additional insights about your thyroid health. With My Lab ReQuest, you can order your own screening without the need for a doctor’s order or insurance. Get tested today to evaluate your thyroid and make a more informed decision about the management of your health.

Order Your Own T4, Free Screening for $22

Order & Pay for your tests in 3 easy steps.

  • 1 Select Tests
  • 2 Preferences & Authorization
  • 3 Payment & Schedule

*Available under Thyroid Screening & Monitoring category on test menu page

Order your T4, Free screening online and get tested at your nearest Patient Service Center. Order online or print and fill out a lab test request form to take with you to your visit. Create an online account to schedule your appointment, pay for your test, and access your test results. Most test results are available within just a few days. Don’t put off getting the testing you need. We’ve put the power in your hands to take charge of your health with My Lab ReQuest!


Why order your own T4, Free screening with My Lab ReQuest?


Since the passage of the law in 2015 that allows for consumers in Arizona to order their own lab tests, thousands of patients have used our My Lab ReQuest service to take charge of their health and make more informed healthcare decisions. Our T4, Free screening is one of four screenings we offer for you to check and monitor your thyroid health.

Patients choose Sonora Quest Laboratories to meet their lab testing needs for a wide range of reasons, including:

Award-Winning Quality

As the nation's largest integrated laboratory system, Sonora Quest Laboratories delivers award-winning quality services every day to more than 23,000 patients across Arizona. We are the #1 bioscience company in Arizona, according to Ranking Arizona, and we are also the only healthcare company to even win the Arizona Governor's Award for Quality. Most importantly, we are accredited by the College of American Pathologists (CAP), the organization whose accreditation ensures the highest standard of care for laboratory patients.

Convenient Locations

Schedule an appointment or walk in to any of our 70 Patient Service Centers located across Arizona! We have over 45 locations in Metro Phoenix, 14 locations in Tucson and Southern Arizona, and various other locations across Northern and Western Arizona. Moreover, several of our locations are conveniently located inside of Safeway markets so that you can plan your screening around your trip to your neighborhood grocery store.

Order Your Own T4, Free Screening

Order a T4, Free screening for $22 & pay for your test in 3 easy steps. 

  • 1 Select Tests
  • 2 Preferences & Authorization
  • 3 Payment & Schedule

*Available under Thyroid Screening & Monitoring category on test menu page

Additional Thyroid Screenings

Microsomal TPO Antibody

Please note that this test is not intended for the diagnosis of Chicken Pox, but ONLY to check for immunity due to prior illness or vaccination.

T3, Free

Used primarily to help diagnose hyperthyroidism and may be used to help monitor treatment of a person with a known thyroid disorder.

Thyroid Screen (TSH, High Sensitivity)

Used to detect problems affecting the thyroid gland.

My Lab ReQuest Patient Testimonial

“I believe My Lab ReQuest is the first generation of true patient centered healthcare in America. One in which a ‘person’, not a patient, can monitor and manage to some extent, and hopefully a greater extent in the near future, their own physiological process and status.