Anti−Thyroid-Stimulating Hormone Receptor Antibodies (TRAb)

How to Cite This Chapter: Don-Wauchope A, Chetty VT, Ivica J, Kavsak P, Khan WI, Lafreniere M, Nouri K, Solnica B. Anti−Thyroid-Stimulating Hormone Receptor Antibodies (TRAb). McMaster Textbook of Internal Medicine. Kraków: Medycyna Praktyczna. Accessed May 26, 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−thyroid-stimulating hormone receptor antibodies (TRAb) [S]

Reference range, target level, or decision threshold

<1 (2) IU/L (depending on method)!!!

Interpretation of results

↑ Graves disease (adult and neonatal), primary hypothyroidism, transient neonatal hypothyroidism, Hashimoto thyroiditis

TRAbs can be stimulatory or inhibitory.

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