A Physician, Registered Nurse in the Extended Class, Dentist, Chiropractor, Designated Chiropodist or Osteopath can order an x-ray or an ultrasound.

A Registered Nurse may complete an x-ray/ultrasound requisition upon implementing a medical directive. The RN completes the requisition and includes his/her signature, the name of the physician responsible for the care of the patient, and a reference to the specific medical directive.