Supervision. A radiation therapist, radiographer, or a nuclear medicine technologist may practice only under the supervision of a licensed physician. A licensed radiologist assistant may practice only under the supervision of a licensed radiologist or radiation oncologist. Administration of Medications or Contrast Media. A radiation therapist, radiographer, nuclear medicine technologist, or radiologist assistant may initiate an intravenous line and administer contrast media with the following supervision: A radiologist assistant may administer contrast media under the immediately available direction of a radiologist or radiation oncologist; and A radiation therapist, radiographer, or nuclear medicine technologist may administer contrast media after consultation with a physician who is physically available on the premises. A radiation therapist, radiographer, nuclear medicine technologist, or radiologist assistant may not administer narcotic or sedating medication. Identification. A radiation therapist, radiographer, nuclear medicine technologist, or radiologist assistant, when practicing radiation therapy, radiography, nuclear medicine technology, or radiology assistance shall wear a badge which identifies the individual wearing the badge to be a licensed radiation therapist, radiographer, nuclear medicine technologist, or radiologist assistant.