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Abdomen (AB)

General Sonography and Maternal Fetal Health

Administered by ARDMS

Applications are always open.

Ready to apply for Abdomen?

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This exam is administered by ARDMS.

SPI Required?

Within 5 years

Application Window

Year-Round

Exam Fee

$300 USD

Exam Window

Year-Round

The AB exam tests your knowledge of the soft tissues, blood vessels, and organs of the human abdomen.

Overview

Care for the human core with AB.

The exam assesses the basic knowledge, skills, and abilities that every abdominal sonography professional needs:

  • Basic abdominal anatomy
  • Perfusion and function
  • Pathology
  • Vascular abnormalities
  • Trauma
  • Postoperative anatomy
  • Abdominal physics
  • Clinical care and practice

The AB exam is a qualifying exam for RDMS certification. The SPI exam is also required. You must pass both exams within five years of each other, in any order.

Job Task Analysis

Quality exams start with a simple purpose: reflect real-world care. We routinely evaluate and update the AB exam to ensure that it captures the requirements of today’s practice.

Latest Analysis: 2018

Question format & scoring

The AB exam covers approximately 165 questions over three hours.

  • Multiple choice
  • Hotspot questions: answer questions about individual images by marking directly on them
  • Five-minute survey

Scoring

You will receive your score report at the test center after completing your exam, and it will also be available in your Pearson account. Your results will be posted to your Inteleos portal within one week.

  • Pass/fail score
  • Point scale 300 to 700 (555 or better passes; not percentage or curve-based)

If you do not pass, you can reapply after three days. However, you must wait 60 days before retaking the exam.

Statistics

ARDMS exams assess the knowledge, skills, and abilities necessary to practice each specialty. Student pass rates vary.

2023
First-time takers: 72%
Overall: 64%
2022
First-time takers: 69%
Overall: 61%
2021
First-time takers: 69%
Overall: 62%
2020
First-time takers: 74%
Overall: 67%
2019
First-time takers: 79%
Overall: 72%
2018
First-time takers: 83%
Overall: 77%
2017
First-time takers: 84%
Overall: 77%
2016
First-time takers: 81%
Overall: 75%
2015
First-time takers: 77%
Overall: 69%
2014
First-time takers: 70%
Overall: 63%
2013
First-time takers: 68%
Overall: 60%

Content Outline

Explore exam details in this AB study guide.

Associated Certifications

The AB exam is a qualifying specialty exam for RDMS certification. The SPI exam is also required. Take these exams in any order.

RDMS®

Registered Diagnostic Medical Sonographer

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Get Ready to Apply

Here’s what you need to apply.

Apply

2026 Applications are Now Open

Ready to take the AB exam? Applications are open now.
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Exam Day

Exam day almost here? Make sure you’re prepared. Here’s everything you need for a smooth experience.

Post Exam

Access your results or request a score verification.