Patient-specific (or human subject-specific) written orders detailing the following information are required by regulation for:
- The administration of any quantity of sodium iodide I-131 greater than 30 microcuries. Each patient-specific written order must state the prescribed dosage.
- The therapeutic administration of a radiopharmaceutical other than sodium iodide I-131. Each patient-specific written order must state the prescribed radiopharmaceutical, dosage, and route of administration.
Each written directive required by regulation must be signed and dated by an authorized user prior to patient administration. Copies of written directives shall be maintained on file for inspection.