Skip to main content
An official website of the United States government

sodium iodide I-131

A radiopharmaceutical containing the beta- and gamma-emitting radioisotope I-131. After absorption, the iodide is distributed through the extracellular fluid of the body and accumulates in the thyroid gland, thereby allowing the imaging of the thyroid.
Synonym:(131-I)sodium iodide
I 131 mini
iodotope I-131
natrium radio-iodatum(131 I)
oriodide
radiocaps-131
sodium iodide (131I)
US brand name:HICON
Search NCI's Drug Dictionary