​​The American Registry for Diagnostic Medical Sonography® (ARDMS®) was incorporated in June 1975 as an independent, nonprofit organization for sonography professionals. Our mission is to promote quality care and patient safety through the certification and continuing competency of ultrasound professionals.

We administer examinations and award the following credentials:
     • Registered Diagnostic Medical Sonographer® (RDMS®)
     • Registered Diagnostic Cardiac Sonographer® (RDCS®)
     • Registered Vascular Technologist® (RVT®)
     • Registered Musculoskeletal™ Sonographer (RMSKS™)
     • Registered Physician in Vascular Interpretation® (RPVI®)
     • Registered in Musculoskeletal® (RMSK®) sonography

Our credentials have been awarded to over 90,000 medical professionals worldwide and are recognized as the international standard in sonography credentialing.

ARDMS credentialing programs (RDMS, RDCS, RVT, and RPVI) are accredited by ANSI to the International Organization for Standardization (ISO) 17024 Standard for organizations that certify personnel.

Check out the following links to learn more about us:
     •   ARDMS New 2016 Organizational Structure
     •   Board of Directors
     •   Legislation
     •   ARDMS Trademarks
     •   Careers at ARDMS

     •   Bylaws