**Note: All laboratory testing requires an authorizing physician. DHA Laboratory offers a Patient Direct Program that partners you with an authorizing physician. If you have any additional questions regarding the availability of testing, please contact our laboratory by telephone or email.**
This test is used in the diagnosis of autoimmune thyroiditis. Hashimoto thyroiditis can also be detected with this test. Thyroglobulin is a protein that can be found in thyroid cells.
Patient Preparation: Discontinue any supplements containing Biotin for 72 hours prior to specimen collection.