Sodium Iodide I 131


4.6 out of 5 (60 Reviews)



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Expiration Date

28 Feb 2026

Last Reviewed

1 Mar 2023

Estimated Time To Finish

60 Minutes

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Activity Description

Radioiodine-131 is a therapeutic agent used in the management and treatment of hyperthyroidism and thyroid carcinoma. This activity describes the indications, mechanism of action, and contraindications for radioiodine-131 as a treatment for Graves disease, toxic adenoma, toxic multinodular goiter, and differentiated thyroid carcinoma. This activity will highlight information pertinent to members of the interprofessional healthcare team in the use of radioiodine-131 therapy.

Target Audience

This activity has been designed to meet the educational needs of physicians.

Learning Objectives

At the conclusion of this activity, the learner will be better able to:

  • Identify the specific indications of 131-Iodine in the treatment of differentiated thyroid cancer and benign thyroid conditions.
  • Outline the adverse effects of 131-Iodine in the treatment of differentiated thyroid cancer and benign thyroid conditions.
  • Identify the absolute contraindications for 131-Iodine in the treatment of differentiated thyroid cancer and benign thyroid conditions.
  • Summarize the importance of collaboration and communication amongst the interprofessional team to improve outcomes for patients receiving I-131.


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COMMERCIAL SUPPORT: This activity has received NO commercial support.

Continuing Education Accreditation Information

This activity has been planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint providership of the Quillen College of Medicine, East Tennessee State University, and StatPearls, LLC. The Quillen College of Medicine, East Tennessee State University is accredited by the ACCME to provide continuing medical education for physicians.

Quillen College of Medicine, East Tennessee State University designates this activity for a maximum of 1.00 AMA PRA Category 1 CreditsTM. Physicians should only claim credit commensurate with the extent of their participation in the activity.

This activity is reported to the following Maintenance of Certification (MOC) boards:
American Board of Anesthesiology
  • General Operative Anesthesia
American Board of Internal Medicine
  • Endocrinology, Diabetes, and Metabolism
  • Internal Medicine
  • Medical Oncology
American Board of Otolaryngology
  • Head & Neck
American Board of Pathology
  • Clinical Pathology
  • Endocrine
American Board of Pediatrics
  • Pediatric Hematology-Oncology
American Board of Surgery
  • Complex General Surgical Oncology

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  3. Study the educational content in the activity.
  4. Choose the best answer to each activity test question. To receive credit, you must pass the test questions with a minimum score of 100%.
  5. Complete the post-activity assessment.
  6. Obtain a certificate.

For information on the applicability and acceptance of continuing education credit for this activity, please consult your professional licensing board.


Faculty may discuss investigational products or off-label uses of products regulated by the US Food and Drug Administration. Readers should verify all information before employing any therapies described in this educational activity.

The information provided for this activity is for continuing education purposes only and is not meant to substitute for the independent medical/clinical judgment of a healthcare provider relative to diagnostic and treatment options of a specific patient’s medical condition. The information presented does not necessarily reflect the views of StatPearls or any commercial supporters of educational activities on StatPearls specifically disclaims responsibility for any adverse consequences resulting directly or indirectly from information in the course, for undetected error, or through a participant's misunderstanding of the content.

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    good review

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