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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 contrast materials in the past 4 weeks.

What To Think About

Other Works Consulted

  • Fischbach FT, Dunning MB III, eds. (2009). Manual of Laboratory and Diagnostic Tests, 8th ed. Philadelphia: Lippincott Williams and Wilkins.

ByHealthwise Staff
Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine
Specialist Medical ReviewerAlan C. Dalkin, MD - Endocrinology
Current as ofApril 29, 2013
1|2|3

WebMD Medical Reference from Healthwise

Last Updated: April 29, 2013
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.

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