radioiodination

https://doi.org/10.1351/goldbook.R05107
The process of incorporating the radionuclides of iodine (usually 125I, 131I or 123I) into, or of covalently linking a radioiodinated substance to, a substance.
Source:
PAC, 1994, 66, 2513. 'Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)' on page 2524 (https://doi.org/10.1351/pac199466122513)