The following was received from the state via fax:
The Colorado Department of Public Health and Environment received notification this date from The University of Colorado Hospital, Colorado License # 828-01, that a patient received the wrong dose of I-131 on July 8, 2011 resulting in a dose that exceeded prescribed by 50 rem and 50% of the dose expected from the administration defined in the written directive. The patient was prescribed 20 mCi of l-131 for Graves disease, but instead received 100 mCi of I-l31, which was intended for another patient. The patient was discharged before the error was discovered. The patient's physician and the patient have been contacted and made aware of the situation. The patient has been given additional instructions regarding contact with family members and members of the public. No other details are available at this time.
The Colorado Department of Public Health and Environment has initiated an investigation.
A Medical Event may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.