ARDMS Resources

ARDMS Contact, Certification & Exam Information

Everything you need to know about the American Registry for Diagnostic Medical Sonography—contact information, certification pathways, and credential requirements.

ARDMS Contact Information

Phone Numbers

(301) 738-8401

(800) 541-9754 (Toll-Free)

Mon-Fri, 8:00 AM - 5:00 PM ET

Mailing Address

1401 Rockville Pike, Suite 600

Rockville, MD 20852

Website

ardms.org

What is ARDMS Certification?

ARDMS (American Registry for Diagnostic Medical Sonography) is the leading certification organization for diagnostic medical sonography professionals. ARDMS credentials are:

  • Recognized by employers nationwide
  • Required for most sonography positions
  • Demonstrates professional competency
  • Often leads to higher salaries

How to Get ARDMS Certification

Follow these steps to earn your ARDMS credential

1

Meet Prerequisites

Complete an accredited sonography program or meet ARDMS's education and clinical requirements.

2

Apply Online

Submit your application through the ARDMS website and pay the application fee.

3

Pass the SPI Exam

Take and pass the Sonography Principles & Instrumentation (SPI) exam.

4

Pass Specialty Exam

Take and pass your specialty exam (AB, OB/GYN, AE, etc.) to earn your credential.

ARDMS Credentials

ARDMS offers several professional credentials, each with specialty certifications.

RDMS

Registered Diagnostic Medical Sonographer

Specialties:

  • Abdomen (AB)
  • OB/GYN
  • Breast (BR)
  • Fetal Echocardiography (FE)
RDCS

Registered Diagnostic Cardiac Sonographer

Specialties:

  • Adult Echocardiography (AE)
  • Pediatric Echocardiography (PE)
  • Fetal Echocardiography (FE)
RVT

Registered Vascular Technologist

Specialties:

  • Vascular Technology (VT)

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Frequently Asked Questions

What is the ARDMS phone number?

The ARDMS phone number is (301) 738-8401 or toll-free (800) 541-9754. Customer service is available Monday through Friday, 8:00 AM to 5:00 PM Eastern Time.

What is ARDMS certification?

ARDMS (American Registry for Diagnostic Medical Sonography) certification is a credential that demonstrates competency in diagnostic medical sonography. It's the most recognized sonography certification and is required by most employers.

How to get ARDMS certification?

To get ARDMS certified: 1) Complete an accredited sonography program or meet prerequisite requirements, 2) Apply and pay the application fee, 3) Pass the SPI (Sonography Principles & Instrumentation) exam, 4) Pass a specialty exam (like AB for Abdomen or OB/GYN).

What ARDMS credentials are available?

ARDMS offers credentials including RDMS (Registered Diagnostic Medical Sonographer), RDCS (Registered Diagnostic Cardiac Sonographer), RVT (Registered Vascular Technologist), and specialty credentials like Fetal Echocardiography (FE).

How do I contact ARDMS customer service?

You can contact ARDMS by phone at (301) 738-8401 or toll-free (800) 541-9754, by email, or through their website at ardms.org. Phone support is available Monday-Friday, 8 AM - 5 PM ET.

What's the difference between ARDMS and ARRT for sonography?

Both offer sonography credentials. ARDMS focuses exclusively on diagnostic medical sonography and is the most widely recognized. ARRT offers sonography alongside radiography credentials. Many employers accept both, though ARDMS is often preferred for pure sonography roles.