National Graves' Disease Foundation

Glossary of Thyroid Terms and Abbreviations

TFT'S = Thyroid Function Tests

T4 = Thyroxine

T3 = Tri-iodothronine

T3 (RAI) = T3 by radioimmunosassay

TSH = Thyroid Stimulating Hormone

TRH = Thyroid Releasing Hormone

TGB = Thyroglobulin

TAB = Thyroid Antibody

Anti-M TAB = Antimicrosomal Thyroid Antibody

TSI = Thyroid Stimulating Immunoglobulin

US Thyroid = Ultrasound of Thyroid

RAI Uptake = Radioactive Iodine Uptake

RAI = Radioactive Iodine

ATD = Anti-Thyroid Drug