A Cardiovascular Invasive Specialist with a Limited Specialty license is an individual other than a Licensed Practitioner, Radiologic Technologist, or Licensed Technologist, who while under the supervision of a License Practitioner, operates medical equipment emitting ionizing radiation for diagnostic purposes that are limited to specific Invasive Cardiovascular Imaging Procedures on human beings. They have Registered Cardiovascular Invasive Specialist (RCIS) credentialing. Requirements: Must have Registered Cardiovascular Invasive Specialist CCI-(RCIS) credentials. Examinations and Fees: CCI-RCIS Invasive Registry Examination required. License fee: $45.00 for one category, $65.00 for more than one category.