What is a Thyroid Uptake and Scan?

A Thyroid Uptake and Scan is a function study that takes an anatomical look at the thyroid.  It assesses hyperthyroidism, hypothyroidism, nodules, and other abnormalities of the thyroid.

  • This exam may be called – Thyroid Scan. RAIU Test, Thyroid Scan with Uptake.
  • You will need to visit the facility 3 times. First for the pill and history.  Then, 5.5 to 6 hours later, you will return for a 45-minute imaging session. Finally, you will return 24 hours from the initial appointment time for approximately 5 minutes.