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.
foods with iodine, such as shellfish, iodized salt, or kelp.
- Having other tests using
contrast materials in the past 4 weeks.
E. Gregory Thompson, MD - Internal Medicine
Matthew I. Kim, MD - Endocrinology
May 31, 2011
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