American Reg MRI Tech (ARMRIT), ARRT-Bone Density (ARRT-BD), ARRT-BS Breast Sonography (ARRT-BS), ARRT-CT Computed Tomography (ARRT-CT), ARRT-M Mammography (ARRT-M), ARRT-MR Magnetic Res Imaging (ARRT-MR), ARRT-N Nuclear Medicine Tech (ARRT-N), ARRT-R Radiography (ARRT-R), ARRT-S Sonography (ARRT-S), ARRT-VI Interventional Rad (ARRT-VI), Cert Nuclear Med Tech (CNMT), Reg Diag Med Sono-Abdomen (AB) (RDMS-AB), Reg Diag Med Sono-Breast (BR) (RDMS-BR), RDMS Fetal Echocardiography (RDMS-FE), Reg Diag Med Sono-OB/GYN (OB) (RDMS-OB), RDMS-Pediatric Sonography (PS) (RDMS-PS), Registered Vascular Tech (RVT): Certified by the American Registry of Radiologic Technologists or the American Registry for Diagnostic Medical Sonography in two imaging modalities. Approved modalities are: ARRT-R, ARRT-CT, ARRT-CV, ARRT-M, ARRT-MR, ARRT-N, ARRT-S, ARRT-VI, ARRT-BS, ARRT-BD, ARRT-CI, RDMS-AB, RDMS-BR, RDMS-FE, RDMS-OB, RDMS-PS, RVT, CNMT, or ARMRIT.