*THIS IS NOT A HOME TEST KIT. You will need to visit your local Quest Diagnostics for testing. *You will receive your lab order via email within 24 hours of purchase. Quest testing unavailable in Alaska, Connecticut, Massachusetts, New Hampshire, Rhode Island, New Jersey, and New York. Description: When your thyroid isn't functioning efficiently it can affect many aspects of your body. Symptoms of thyroid problems often include fatigue, depression, and weight gain. Monitoring the following blood markers can help ensure your thyroid is functioning properly. This test will provide a full thyroid panel which will assess a wide variety of thyroid hormones including TSH which can help determine if you have an underactive thyroid. This test differs from our "Basic Thyroid Test" by including markers like Cortisol which can impact Reverse T3 levels as well as TPO Antibodies. Blood Markers Included: Thyroid-stimulating Hormone (TSH) Free Thyroxine (Free T4) Free Triiodothyronine (Free T3) Reverse T3 LC/MS TPO Antibodies Cortisol