Test Details Test Includes Free thyroxine index; T3 uptake (THBR); thyroid-stimulating hormone (TSH); thyroxine (T4)

Test Details Synonyms Antithyroglobulin Antibody Use Detect and confirm autoimmune thyroiditis, Hashimoto thyroiditis

Test Details Synonyms Antimicrosomal Antibody Antithyroid Microsomal Antibody Use Differential diagnosis of hypothyroidism and thyroiditis

Test Details Test Includes Hematocrit; hemoglobin; mean corpuscular volume (MCV); mean corpuscular hemoglobin (MCH); mean corpuscular hemoglobin concentration (MCHC); red cell distribution width (RDW); percentage and absolute differential counts; platelet count (RBC); red cell count; white blood cell

Additional Information Reverse triiodothyronine (rT3) is an isomer of triiodothyronine (T3) with no demonstrated biological activity.1,2 The majority of rT3is produced through peripheral enzymatic monodeiodination of T4 at the 5 position of the inner ring of the iodothyronine nucleus of thyroxine (T4)