- iodocholesterol I 131
- io·do·cho·les·ter·ol I 131 (i-o″do-kə-lesґtər-ol) a radiopharmaceutical, cholesterol iodinated with 131I, which has been used in radionuclide imaging of the adrenal cortex; now largely replaced by iodomethylnorcholesterol.
Medical dictionary. 2011.