Radioactive Iodine Uptake Test
Why It Is Done
A radioactive iodine uptake (RAIU) test is done to:
- Find the cause of an overactive thyroid gland (hyperthyroidism).
- Plan treatment for hyperthyroidism.
|By:||Reference Healthwise Staff||Last Revised: Reference May 31, 2011|
|Medical Review:||Reference E. Gregory Thompson, MD - Internal Medicine
Reference Matthew I. Kim, MD - Endocrinology
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