- The Seven-Section Blueprint at a Glance
- How the Exam Is Built and Delivered
- Why Every Section Must Be Passed
- Domains 3 and 4: The 36% Core of Fieldwork
- Domain 7: Forensic and Medical Knowledge
- Domains 1 and 2: Communication Under Pressure
- Domains 5 and 6: Completion and Additional Duties
- Eligibility, Fees, and Retests That Shape Your Plan
- Sequencing the Domains in Your Preparation
- Frequently Asked Questions
- The Registry exam has seven weighted sections; Forensic and Medical Knowledge is largest at 20%.
- Scene Response and Body Assessment each carry 18%, together making 36% of the blueprint.
- You face 240 multiple-choice questions in four hours; 230 are graded and ten are unscored pilots.
- Each section has its own criterion-referenced standard, so a strong domain cannot rescue a weak one.
The Seven-Section Blueprint at a Glance
Registry Certification (basic) is the entry-level credential pathway from the American Board of Medicolegal Death Investigators (ABMDI). It includes the Associate (A-ABMDI) and Diplomate (D-ABMDI) designations, which are distinct from the advanced Board Certification and Fellow (F-ABMDI) level. This guide covers only the Registry examination and its seven content areas.
The current seven-section structure took effect January 1, 2024, and replaces older eight-section descriptions you may still find in forums, outdated handouts, or colleagues' recollections. The official blueprint appears in Appendix C of the ABMDI Policy and Procedure Manual (June 2024, revision 24.5.31). If a study resource describes eight sections, it predates the current exam.
| Domain | Name | Weight |
|---|---|---|
| 1 | Interagency Communication | 10% |
| 2 | Communication with Families | 10% |
| 3 | Scene Response and Documentation | 18% |
| 4 | Body Assessment and Documentation | 18% |
| 5 | Completing the Investigation | 14% |
| 6 | Additional Medicolegal Death Investigator Duties | 10% |
| 7 | Forensic and Medical Knowledge | 20% |
Notice the shape of the blueprint. Roughly two-thirds of the weight sits in three areas (Scene Response, Body Assessment, and Forensic and Medical Knowledge), but the four remaining sections are not optional extras. As the next sections explain, every one of them has to be passed on its own.
How the Exam Is Built and Delivered
The Registry examination consists of 240 multiple-choice questions. Of those, 230 are graded and ten are unscored pilot questions used to evaluate future items. You will not know which ten are pilots, so treat every question as if it counts. You have four hours, and the exam is delivered with live virtual proctoring through MonitorEDU.
Four hours for 240 questions works out to a brisk pace, so practice reading a scenario, identifying what the question is really asking, and committing to an answer without agonizing. Because the questions are multiple choice and rooted in investigative practice, expect scenario-style stems: a described scene, decedent, family interaction, or agency contact, followed by a question about the correct action, documentation step, or underlying principle.
If you want to see how the format feels before committing to a testing date, you can try a timed run on the main practice test site and gauge your pacing across a long, mixed-topic session.
Why Every Section Must Be Passed
This is the single most misunderstood feature of the exam. Each section must meet its own criterion-referenced passing standard, established through a modified Angoff standard-setting process. In plain terms, panels of subject-matter experts judge how a minimally competent investigator would perform on the questions in each section, and those judgments define the bar.
Two practical consequences follow:
- There is no single advertised raw percentage to chase. Be skeptical of any source that gives you one magic number. For a deeper look at how scoring is framed, see RC Passing Score 2026: Exactly What You Need to Pass.
- Strength in one domain does not offset weakness in another. A candidate who aces Forensic and Medical Knowledge but falters in Communication with Families can still need a retest of that section.
That second point should reshape how you read the weights. The percentages tell you how many questions each domain contributes, but the pass/fail decision is made section by section. The 10% domains are short sections, which means fewer questions to demonstrate competence, so each individual miss can feel heavier. Do not under-study them because they look small.
Key Takeaway
Plan to reach competence in all seven sections, not an overall average. Use weights to allocate study time, but use your weakest section to decide where the next study session goes. For difficulty context, see How Hard Is the RC Exam?
Domains 3 and 4: The 36% Core of Fieldwork
Scene Response and Documentation (18%) and Body Assessment and Documentation (18%) are the practical heart of medicolegal death investigation. Together they account for more than a third of the blueprint, and they test whether you can do the job at the scene and with the decedent.
Domain 3: Scene Response and Documentation (18%)
This domain covers arriving at, securing, evaluating, and recording a death scene. Candidates should be able to reason through the sequence of an investigation rather than recite isolated facts.
- Scene safety, scene integrity, and coordination with other responders on arrival
- Observing and recording scene conditions, environment, and the surrounding circumstances
- Identifying, documenting, and preserving potential evidence, including medications and other items relevant to the death
- Photography, sketching, and written notes that make the scene reconstructable by someone who was not there
- Documentation that is accurate, objective, and free of unsupported conclusions
Domain 4: Body Assessment and Documentation (18%)
This domain focuses on the examination and documentation of the decedent. Questions reward careful observation and precise, objective description.
- Identification of the decedent and the documentation methods that support it
- External examination findings and how to describe them neutrally
- Postmortem changes and what they can and cannot tell an investigator
- Injuries, markings, and medical devices or interventions present on the body
- Handling, protecting, and transporting the body without compromising evidence
The foundational competency source for this area is ABMDI's Fundamental Tasks of Medicolegal Death Investigation. The document prints revision 23.8.24 despite the 2024 filename, so cite it by its printed revision if you reference it in notes. It also underpins the trainer-verified competency attestation required in the application, which means the tasks it describes are both exam content and a practical prerequisite.
A good habit for both domains is to narrate each investigation in order: what you observe, what you record, what you preserve, and what you decline to conclude. Scenario questions often hinge on the difference between documenting an observation and asserting an interpretation.
Domain 7: Forensic and Medical Knowledge
At 20%, Forensic and Medical Knowledge is the largest single section. Where the scene and body domains test what you do, this one tests what you understand. It is the section most likely to feel unfamiliar to candidates who come from law enforcement, EMS, nursing, or funeral service backgrounds, because each of those paths covers only part of the territory.
Domain 7: Forensic and Medical Knowledge (20%)
Expect questions that connect medical concepts to the practical work of death investigation.
- Medical terminology and basic anatomy and physiology as they relate to cause and mechanism of death
- Natural disease processes commonly encountered in sudden and unexpected deaths
- Injury patterns, trauma, and the forensic significance of different types of injury
- Toxicology concepts, including how medications and substances figure into death investigation
- Postmortem change and its limits as an indicator in determining circumstances of death
- Forensic concepts such as manner of death categories and the role of the medical examiner or coroner
The best approach is to build vocabulary first, then attach it to scenarios. If you cannot read a medical history summary and understand what conditions it implies, you will struggle in Domains 3, 4, and 5 as well, because the knowledge in this domain informs what you look for and what you document elsewhere. For a compact refresher of high-yield facts, keep the RC Cheat Sheet nearby during review.
Domains 1 and 2: Communication Under Pressure
Interagency Communication and Communication with Families are each 10% of the exam. They are easy to dismiss as soft skills, but they appear as scored sections with their own passing standards, and the questions are not common-sense filler.
Domain 1: Interagency Communication (10%)
Death investigators work alongside law enforcement, medical examiner or coroner offices, emergency responders, hospitals, and other organizations. This domain tests whether you communicate with them appropriately and accurately.
- Sharing information with the right agencies and understanding who needs to be notified
- Respecting confidentiality and the limits on what may be disclosed and to whom
- Clear, accurate handoffs of information, including preliminary findings and outstanding questions
- Understanding the roles and authority of the agencies you encounter
Domain 2: Communication with Families (10%)
Interacting with bereaved families is a core part of the work, and it has professional standards of its own.
- Death notification principles: clarity, directness, compassion, and avoiding euphemism that confuses
- Gathering information from family members respectfully, including sensitive medical and social history
- Explaining the investigative process, what happens next, and what you cannot yet tell them
- Cultural, religious, and individual differences in how families respond to death
- Knowing when to refer a family to additional support resources
Best-answer questions in these domains typically have two or three plausible choices. The correct one usually balances compassion with professional obligation: honest without being blunt, supportive without overpromising, and protective of both the family and the integrity of the investigation.
Domains 5 and 6: Completion and Additional Duties
The remaining two sections, Completing the Investigation (14%) and Additional Medicolegal Death Investigator Duties (10%), cover what happens after the scene and the broader obligations of the role.
Domain 5: Completing the Investigation (14%)
This domain is about bringing an investigation to a defensible close.
- Compiling records, reports, and documentation into a coherent investigative file
- Following up on outstanding information, records requests, and unresolved questions
- Supporting the determination of cause and manner of death with accurate, complete findings
- Release of the decedent and handling of personal effects according to proper procedures
- Ensuring that your report stands on its own if read months later by someone who never met you
Domain 6: Additional Medicolegal Death Investigator Duties (10%)
This section captures responsibilities that surround the core investigative workflow and define professional practice.
- Professional conduct, ethics, and impartiality in a role that serves courts, families, and public health alike
- Testifying or preparing to testify, and presenting findings objectively
- Participation in mass fatality or other special-circumstance responses, to the extent the blueprint addresses them
- Safety, scene hazards, and the personal responsibilities of the investigator
Domain 6's name signals that it is a broader catch-all, so read the official blueprint in Appendix C rather than assuming its contents from the title alone. Candidates who confine their study to the glamorous scene and medical topics sometimes get caught here.
Eligibility, Fees, and Retests That Shape Your Plan
You cannot sit the exam until you qualify, and your preparation timeline should account for that. Eligibility requires a minimum age of 18, high school graduation or equivalent, and current qualifying medicolegal-investigation employment. You also need 640 eligibility points accumulated within five years, including at least 384 employment points. These are points, not a universal 640-hour requirement, so do not assume hours convert one-to-one. The full breakdown is in RC Requirements 2026: Eligibility, Prerequisites & How to Qualify.
The application also calls for a professional reference, employer verification, and a trainer-verified Fundamental Tasks competency attestation.
| Item | What the sources establish |
|---|---|
| Application fee | $50 |
| Examination fee | $400, including proctoring |
| Retesting | Failed sections only; up to two retests, at least 30 days between testing dates, within the 12-month application/testing window |
| Annual maintenance | $50 annual fee |
| Recertification | Every five years; 45 approved continuing education hours, ethics compliance, employment verification (or the manual's conditional continued-competency/recertification-examination route when not employed), and a $25 administration fee |
The retest rule has a direct strategic implication: because only failed sections are retaken, a candidate who passes five sections and misses two does not have to repeat the whole exam. You still have a limited window, so a first attempt should be a genuine effort, not a trial run. For the full cost picture, see RC Certification Cost 2026, and for scheduling logistics, RC Exam Dates 2026.
Sequencing the Domains in Your Preparation
Generic study advice matters less than ordering the domains sensibly. The sequence below reflects how the content builds on itself: medical vocabulary supports the body and scene work, and the fieldwork supports the reporting and communication topics. It assumes roughly a six-week runway; stretch it if your schedule is tighter.
Build the knowledge base (Domain 7)
- Start with the largest section because its vocabulary feeds every other domain
- Cover disease processes, injury types, toxicology basics, and postmortem change
Fieldwork domains (Domains 3 and 4)
- Walk through full investigations from arrival to release of the body
- Review the Fundamental Tasks document alongside your practice questions
Completion and duties (Domains 5 and 6)
- Study reporting, follow-up, ethics, and professional conduct
- Read the Appendix C objectives for Domain 6 line by line
Communication and full-length practice (Domains 1 and 2)
- Rehearse notification and interagency scenarios
- Take timed mixed-topic sets and review each domain separately
After each practice session, tally misses by domain, not just by total score, because the exam is passed or failed section by section. If one domain keeps lagging, give it the next study block regardless of its weight. Our RC Study Guide 2026 expands on building a full plan, and the practice test site lets you drill by topic.
Frequently Asked Questions
Seven. The current structure took effect January 1, 2024, replacing older eight-section descriptions. The sections are Interagency Communication, Communication with Families, Scene Response and Documentation, Body Assessment and Documentation, Completing the Investigation, Additional Medicolegal Death Investigator Duties, and Forensic and Medical Knowledge.
Forensic and Medical Knowledge at 20%. Scene Response and Documentation and Body Assessment and Documentation follow at 18% each, then Completing the Investigation at 14%, with the remaining three sections at 10% each.
No. Each section has its own criterion-referenced passing standard set through modified Angoff standard setting. Strong results in one section do not compensate for falling short in another, so you must reach the standard in all seven.
Only the failed sections are retested. You may retest twice, with at least 30 days between testing dates, inside the 12-month application and testing window. See the RC pass rate discussion for what is and is not publicly known about outcomes.
The Registry examination described here is the 240-question multiple-choice exam. The practical and case examination belongs to the advanced Board Certification pathway, which is separate from Registry Certification (basic).
Understanding the seven domains, and the fact that each must be passed independently, is the foundation of an efficient preparation plan. If you are still deciding whether the credential fits your career, Is the RC Certification Worth It? and RC Salary Guide 2026 are good next reads.