Radioactive Iodine Uptake Testing Laboratory Medicine

Updated: Dec 05, 2022
  • Author: Augustine George, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Laboratory Medicine

Laboratory Medicine Summary

Important laboratory values that should be obtained before radioactive iodine uptake testing include the following: [7]

  • TSH

  • Free T4

  • Free T3

  • Pregnancy test