Understand Your Test

Thyroglobulin

Formal Name

 Thyroglobulin, Serum or Plasma

Why Get Tested?

To monitor treatment of thyroid cancer and to detect recurrence; less commonly, to help determine the cause of hyperthyroidism and hypothyroidism.

When To Get Tested?

Prior to and after the completion of treatment for thyroid cancer, before and after radioactive iodine therapy, and at regular intervals to monitor for recurrence; it may be ordered in conjunction with other thyroid tests for certain thyroid disorders.