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About this exam

Disaster Medicine certification through the American Board of Physician Specialties is a board credential for physicians who expect to manage patients and systems when demand suddenly outstrips capacity - emergency physicians, EMS medical directors, hospitalists, surgeons, critical care and preventive medicine specialists, and clinicians who serve on deployable teams or in public health roles. The exam is multiple choice and samples the full breadth of the field: preparedness and planning, incident command and multi-agency coordination, hazard and risk analysis, mass casualty triage and surge, prehospital operations, hospital emergency operations including evacuation and supply failure, CBRNE response, communicable disease emergencies, behavioral and vulnerable-population concerns, and the recovery, legal, and ethical questions that follow an event. Questions tend to test judgment rather than recall of isolated facts: what you do first, what you document, who owns the decision. Preparation works best as structured review of incident command and triage frameworks plus the CBRNE and public health literature, followed by practice with scenario-style items and a careful read of the candidate handbook on the ABPS site. Confirm eligibility, application deadlines, and current exam logistics directly with the board, which publishes the authoritative figures.

What you'll study

Common questions

About ABPS Disaster Medicine preparation

What is the exam format?

It is a computer-delivered, multiple-choice examination. The board sets the current item count, appointment length, and any break policy, and publishes them in its candidate handbook and on its website. Check those sources before you schedule, because logistics are revised periodically and third-party summaries go stale.

How long is the exam and how many questions are there?

Those figures are set by the American Board of Physician Specialties and are not fixed permanently. Rather than rely on a number quoted in a forum or an older study guide, confirm the current question count and allotted time in the official candidate handbook or by contacting the board directly.

What score do I need to pass?

The passing standard is established by the board through a standard-setting process and is not a publicly fixed percentage that stays constant. The board publishes its scoring and reporting policy. Plan to answer confidently across all content areas rather than targeting a specific raw score.

How difficult is it?

Candidates generally find it demanding because items are applied rather than definitional - you are often asked for the next best action under uncertainty. Physicians with operational experience (EMS, emergency management, deployable teams) have a head start, but breadth across CBRNE, public health, and hospital operations still requires deliberate review.

Can I retake it if I fail?

Retake eligibility, waiting periods, and any limits on attempts are governed by board policy and can change. The candidate handbook is the controlling document. Before reapplying, request your performance profile if one is offered, since domain-level feedback tells you where to concentrate a second attempt.

How should I sequence my studying?

Start with incident command and mass casualty triage, because those concepts recur inside questions from other domains. Then work through CBRNE and public health, where unfamiliar terminology costs the most points. Finish with hospital operations, law and ethics, and recovery, and reserve the final weeks for scenario-based practice under time pressure.

What are the most common ways candidates lose points?

Three recur: choosing a definitive treatment when the question asks for the first operational step, confusing triage categories across different systems, and missing the resource or authority constraint embedded in a scenario. Read the stem for who is asking, what resources exist, and whether the setting is prehospital, hospital, or public health.

Do I need to memorize specific triage or decontamination protocols?

You should understand the logic of the major triage systems well enough to apply them and recognize their categories, and know the sequence of scene and hospital decontamination. You do not need to reproduce proprietary course manuals verbatim; questions test the reasoning and priorities behind the algorithm.

Where do I confirm eligibility, fees, and scheduling?

Only with the American Board of Physician Specialties. The board's website and candidate handbook carry the authoritative eligibility requirements, application timeline, fees, testing windows, and score reporting. This page is an independent study resource and is not affiliated with or endorsed by the board.