The U.S. Nuclear Regulatory Commission (NRC) recently issued Information Notice (IN) 2025-05 to inform licensees of recent medical events involving the unintended gastrointestinal disposition of Y-90 microspheres. The Radiologic Health Branch (RHB) is providing this IN to California medical-use licensees with authorization for Y-90 microspheres, as permitted by 10 CFR 35.1000.
The IN can be found here: https://www.nrc.gov/docs/ML2517/ML25178A313.pdf
Licensees are advised to review this information to be better equipped to prevent similar events at their own facilities.
Should you have any questions, please contact Robert Custodio by telephone at (916) 650-0561, by email at Robert.Custodio@cdph.ca.gov; or Ira Schneider by telephone at (916) 440-7976 or by email at Ira.Schneider@cdph.ca.gov.