Health Information
Radioactive Iodine Uptake Test
What Affects the Test
Reasons you may not be able to have the test or why the results may not be helpful include:
- Taking thyroid medicine.
- Eating foods with iodine, such as shellfish, iodized salt, or kelp.
- Having other tests using Reference contrast materials Opens New Window in the past 4 weeks.
| 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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