Health Information
Radioactive Iodine Uptake Test
What To Think About
- Blood tests may be done before a radioactive iodine uptake (RAIU) to measure the amount of thyroid hormones (TSH, T3, and T4) in your blood. For more information, see the topics Reference Thyroid-Stimulating Hormone (TSH) and Reference Thyroid Hormone Tests.
- A thyroid scan may be done at the same time as an RAIU test. For more information, see the topic Reference Thyroid Scan.
| 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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