Thyroid Antibodies
Also known as: Thyroid autoantibodies; Antithyroid antibodies; Antimicrosomal antibody; Thyroid microsomal antibody; Thyroperoxidase antibody; TPOAb; Anti-TPO; TBII; Antithyroglobulin antibody; TgAb; TSH receptor antibody; TRAb; Thyroid stimulating immunoglobulin; TSI
Formal name: Thyroid peroxidase antibody (TPOAb); Thyroglobulin antibody (TgAb); Thyroid stimulating hormone receptor antibody (TRAb)
At a Glance
Why Get Tested?
To help diagnose and monitor autoimmune thyroid diseases and to distinguish these from other forms of thyroiditis; to help guide treatment decisions
When to Get Tested?
When you have a goiter and/or when your other thyroid tests, such as T3, T4, and TSH, indicate thyroid dysfunction; along with a thyroglobulin test when your doctor is using it as a monitoring tool; at intervals recommended by your doctor when you have a known autoimmune thyroid disorder
Sample Required?
A blood sample drawn from a vein in your arm
Test Preparation Needed?
None
