Description
Why It’s Done:
This test is ordered to:
• Diagnose autoimmune thyroid diseases like Hashimoto’s thyroiditis and Graves’ disease
• Evaluate unexplained thyroid dysfunction or enlargement (goiter)
• Monitor autoimmune thyroid disease activity or treatment response
• Assist in the diagnosis of thyroid cancer recurrence after thyroidectomy (along with thyroglobulin levels)
Preparation:
• No special preparation is needed.
• A blood sample is rawn from a vein, typically in the arm.
• Inform your healthcare provider about any thyroid medications or supplements you are taking.
• Fasting is not required.
