Anti-Thyroglobulin Antibodies (TgAb)

How to Cite This Chapter: Don-Wauchope A, Chetty VT, Ivica J, Kavsak P, Khan WI, Lafreniere M, Nouri K, Solnica B. Anti-Thyroglobulin Antibodies (TgAb). McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. Accessed May 24, 2024.
Last Updated: May 9, 2022
Last Reviewed: May 9, 2022
Chapter Information

For a brief introduction and guide to abbreviations, see Laboratory Tests: General Remarks.

Analyte [material]

Anti-thyroglobulin antibodies (TgAb) [S]

Reference range, target level, or decision threshold

<100 IU/mL (depending on method)!!!

Interpretation of results

↑ Chronic autoimmune thyroiditis (Hashimoto thyroiditis), Graves disease (↑ TRAb confirms diagnosis), healthy individuals

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