Getting the correct labs tests are important to learning more about your thyroid. The second of the "Getting To Know Your Thyroid" handout series (see the 1st and 3rd handouts) dicusses which lab tests are important for your MD or ND to run. Laboratory testing It is important to have your medical or naturopathic doctor run certain tests to see how your thyroid is functioning. A proper physical exam of the thyroid should be completed as well. The following are a list of tests