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About this exam

Mammography is one of the postprimary credentials offered by the American Registry of Radiologic Technologists (ARRT), a credentialing organization that provides certification and registration across a wide range of radiologic disciplines. It is designed for technologists who already hold an ARRT primary credential and want to document competence in breast imaging; it is not an entry route into radiologic technology. Credentialed mammographers typically work in screening centers, hospital breast-imaging suites, and mobile or specialty practices where positioning accuracy, dose awareness, and image critique matter every day.

The exam samples the knowledge a mammographer actually uses: patient education and assessment, including history taking, explaining the procedure, and communicating results follow-up; breast anatomy, physiology, and pathology; mammographic equipment, technique, and quality control; and imaging procedures with image evaluation - positioning, artifacts, and recognizing when additional or repeat views are needed.

ARRT periodically revises its exams, so treat the current Mammography handbook and its published content specifications as the authoritative source for eligibility, application steps, content areas, and item distribution; confirm details there before scheduling. A practical study plan is to work through the content specifications section by section, sequence your review the way an exam actually flows (assessment, positioning, quality control, image evaluation), and finish with timed practice so pacing is not a surprise on exam day.

What you'll study

Common questions

About ARRT Mammography preparation

Is Mammography a primary or postprimary ARRT credential?

It is a postprimary credential. ARRT lists Mammography under its Credentials/Postprimary section, alongside bone densitometry, breast sonography, CT, MRI, and the interventional credentials. That means you build it on top of an existing ARRT primary credential rather than earning it as your first certification.

Where do I confirm eligibility requirements before applying?

Use the Mammography page under Credentials/Postprimary plus the current application handbook linked from ARRT's Handbooks section. The ARRT homepage itself lists credential categories and resources but does not spell out the mammography-specific eligibility rules, so verify the requirements there before you pay a fee or schedule a date.

How many questions are on the exam and how long is it?

ARRT's homepage does not publish the mammography item count, time limit, or appointment length. Those details appear in the current Mammography handbook and content specifications. Look them up before you begin timed practice so your rehearsal matches the real appointment rather than a guess.

What score do I need to pass, and can I retake it?

Passing scores, retake waiting periods, and attempt limits are not stated on the ARRT homepage. They are governed by the handbook and ARRT's exam policies. Read those before test day so you know exactly what happens if you do not pass on the first attempt.

How difficult is the mammography exam?

Expect a clinically oriented exam rather than a vocabulary quiz. Positioning judgment, quality control interpretation, pathology recognition, and patient-communication decisions are all fair game. Candidates who already position breasts daily have a real advantage, but they still need structured review of quality control and image evaluation, which are easy to underprepare.

What should I study first?

Start with the published content specifications and map each section to a study block. Then review in the order an exam happens: patient assessment and education, anatomy and pathology, equipment and quality control, then positioning and image evaluation. Finish with image-critique practice, since that is where most candidates lose points.

What are the most common preparation mistakes?

Skipping quality control because it feels like physicist territory, memorizing pathology terms without linking them to appearance on the image, and never practicing positioning decisions in writing. Another frequent problem is studying outdated material; ARRT revises exams, so always work from the current handbook and specifications.

Do I need continuing education to keep the credential?

Yes, ARRT credentials are maintained through ongoing requirements, and the site hosts a Resources for Maintaining Your Credential section plus continuing education tools. The specific biennium requirements and deadlines are not detailed on the homepage, so confirm your own cycle and deadline through your ARRT account.

How do I contact ARRT with a question?

ARRT publishes a Frequent Questions section, a message center accessible after login, and phone and mailing contact details on its site. For anything affecting eligibility or scheduling, get the answer in writing from ARRT rather than relying on forum posts, which often describe rules from earlier exam revisions.