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RDMS – Registered Diagnostic Medical Sonographer

Issued by ARDMS (ardms.org). RDMS is the gold standard credential for ultrasound technologists. Required by most hospitals and imaging centers across the US.

Level
Intermediate
Salary Context
$65K–$95K
Exam Cost
$250–$300 per exam
Difficulty
~72%

Quick Verdict

RDMS – Registered Diagnostic Medical Sonographer sits at the Intermediate level — a solid next step once you have some foundational experience, without requiring the multi-year track record advanced credentials demand.

What the Exam Covers

  • ["Ultrasound Physics & Instrumentation", "Abdomen Sonography", "OB/GYN Sonography", "Patient Care in Imaging", "Quality Assurance", "Image Interpretation", "Safety & Ethics"]

Who This Suits

Diagnostic medical sonographers and imaging technologists in hospital or clinic settings.

Career Paths

["Ultrasound Technologist", "Diagnostic Sonographer", "Vascular Sonographer", "Echo Technician"]

Frequently Asked Questions

Is RDMS – Registered Diagnostic Medical Sonographer worth it?

RDMS – Registered Diagnostic Medical Sonographer sits at the Intermediate level — a solid next step once you have some foundational experience, without requiring the multi-year track record advanced credentials demand.

What topics does the RDMS – Registered Diagnostic Medical Sonographer exam cover?

["Ultrasound Physics & Instrumentation", "Abdomen Sonography", "OB/GYN Sonography", "Patient Care in Imaging", "Quality Assurance", "Image Interpretation", "Safety & Ethics"]

Who should take RDMS – Registered Diagnostic Medical Sonographer?

Diagnostic medical sonographers and imaging technologists in hospital or clinic settings.

What jobs can RDMS – Registered Diagnostic Medical Sonographer lead to?

["Ultrasound Technologist", "Diagnostic Sonographer", "Vascular Sonographer", "Echo Technician"]

What salary range is associated with RDMS – Registered Diagnostic Medical Sonographer?

Professionals holding this certification are commonly associated with a salary range of $65K–$95K. Actual compensation varies significantly by region, employer, and years of experience.

Where can I verify current exam pricing and requirements for RDMS – Registered Diagnostic Medical Sonographer?

Check ARDMS's official certification page directly. Exam fees, formats, and prerequisites change periodically, so the vendor's own site is the only reliable source for current details.

Verify before you book: exam fees, formats and prerequisites change periodically. Always confirm current details on ARDMS's official certification page before registering.