- What Is BIM Certification, Exactly?
- Who Administers the BIM Exam: ABPN vs ABPMR
- Eligibility: Who Can Sit for BIM Certification
- Exam Format and Question Style
- The Six BIM Exam Domains
- Cost, Dates, and Registration Mechanics
- How Passing Works
- Maintaining Certification: LA-BIM
- Who Hires BIM-Certified Physicians
- Preparing for the BIM Exam
- Frequently Asked Questions
- BIM certification is an ABPN subspecialty credential requiring prior board certification in psychiatry, neurology, or child neurology.
- The exam has 280 single-best-answer questions across two 3.5-hour sections, totaling 7 testing hours.
- Central Nervous System Manifestations is the largest domain at 30% of the exam blueprint.
- ABPN's fee is $1,900 (plus a $500 late surcharge); the ABPMR route costs $2,000 total.
What Is BIM Certification, Exactly?
Certification in Brain Injury Medicine (BIM) is a physician subspecialty credential issued through the American Board of Psychiatry and Neurology, Inc. (ABPN). It recognizes physicians who have completed dedicated fellowship training in the diagnosis and management of traumatic and non-traumatic brain injury and who pass a standardized examination covering the clinical manifestations of brain injury across neurological, cognitive, psychiatric, and systemic domains.
Unlike broad continuing-education certificates, BIM certification sits on top of an existing primary board certification. It is not an entry-level credential - it is a formal recognition that a psychiatrist, neurologist, or child neurologist has additional, verified expertise in brain injury medicine. If you're researching this credential for the first time, our companion primers on what BIM is, BIM meaning, and what BIM stands for cover the terminology in more depth, while this article focuses on the certification process itself.
Who Administers the BIM Exam: ABPN vs ABPMR
One of the more confusing aspects of this credential is that two boards are involved. ABPN is the certifying body that grants the BIM subspecialty credential to its diplomates. The American Board of Physical Medicine and Rehabilitation (ABPMR) develops and administers the shared examination itself, and testing takes place at Pearson VUE test centers nationwide.
In practice, this means candidates may encounter two different application paths depending on their primary certifying board: an ABPN application route with its own fee schedule, and a separate ABPMR application route with a different fee structure. Understanding which route applies to you - and what each costs - is essential before you register. We break this comparison down in detail in our dedicated ABPN vs ABPMR guide.
| Function | ABPN | ABPMR |
|---|---|---|
| Role | Certifying body; grants BIM credential | Develops and administers the shared exam |
| Application fee | $1,900 (plus $500 late surcharge) | $2,000 total ($1,400 exam + $600 processing) |
| Test delivery | Pearson VUE test centers | Pearson VUE test centers |
| Maintenance program | Diplomate's assessment due date governs timing | N/A - MOC handled via LA-BIM |
Eligibility: Who Can Sit for BIM Certification
Standard eligibility for BIM certification requires all of the following:
- Maintained primary certification in psychiatry, neurology, or neurology with special qualification in child neurology
- Unrestricted medical licensure
- Completion of one year of ACGME-accredited brain injury medicine fellowship training
It's worth noting that a practice-pathway option - which previously allowed some physicians to qualify through supervised clinical experience rather than fellowship training - closed to new entrants after 2022. Today, the ACGME-accredited fellowship year is the standard route into the exam. If you're mapping out the fellowship timeline and prerequisites, see our full BIM requirements breakdown and our overview of BIM training pathways.
Key Takeaway
If you haven't started an ACGME-accredited brain injury medicine fellowship, that is now the only standard route to eligibility - plan your training timeline around the 2026 or 2028 exam administration accordingly.
Exam Format and Question Style
The BIM exam consists of 280 single-best-answer multiple-choice questions, including an unscored pretest subset used for future exam development. Questions generally present four response options, and many incorporate clinical images or short video segments - a reflection of how much brain injury diagnosis depends on visual interpretation of imaging, gait, and behavioral presentation.
The test is split into two sections, each lasting 3 hours and 30 minutes, for a total of 7 testing hours. Candidates also get a scheduled 60-minute break between sections, plus additional time for tutorial and check-in procedures at the start of the day. Testing is closed-book. Within a section, you can review and change answers, but once you submit a section, you cannot go back into it - so pacing within each 3.5-hour block matters as much as overall content knowledge.
The Six BIM Exam Domains
The 2026 blueprint, announced April 9, 2026 following the 2025 practice analysis, organizes exam content into six manifestation domains that are cross-classified by etiology (traumatic vs. non-traumatic brain injury, for example). Together they total 100% of exam content. Use this updated blueprint rather than the older 2022 outline, since domain weighting has shifted.
Domain 1: Central Nervous System Manifestations (30%)
The largest domain by far. Candidates need command of the neurological sequelae of brain injury - motor, sensory, cranial nerve, seizure, and neuroimaging correlates.
- Localizing findings on exam and imaging
- Post-traumatic seizure management
- Movement and coordination disorders following injury
Domain 2: Cognitive and Behavioral Dysfunction (20%)
The second-largest domain, covering memory, attention, executive function, and behavioral change after brain injury.
- Neuropsychological assessment interpretation
- Agitation and disinhibition management
- Cognitive rehabilitation strategies
Domain 3: Psychiatric Manifestations (15%)
Mood, anxiety, and personality changes commonly seen post-injury, plus differentiating primary psychiatric disease from injury-related presentations.
- Depression and anxiety after TBI
- Psychotic and personality change syndromes
Domain 4: Pain and Sleep Disorders (15%)
Headache, chronic pain, and sleep-wake disturbance are frequent comorbidities that require nuanced management in brain-injured patients.
- Post-traumatic headache classification
- Sleep architecture disruption after injury
Domain 5: Soft Tissue and Orthopedic Conditions (5%)
The smallest domain, but still tested - concurrent musculoskeletal injuries and their interplay with rehabilitation planning.
- Heterotopic ossification
- Concurrent orthopedic trauma management
Domain 6: Systemic Manifestations (15%)
Autonomic, endocrine, and other systemic effects of brain injury that extend beyond the central nervous system itself.
- Paroxysmal sympathetic hyperactivity
- Post-injury endocrine dysfunction
For a question-by-question breakdown of how these weights translate into exam content, see our full BIM exam domains guide.
Cost, Dates, and Registration Mechanics
Registration costs depend on which application route you use. The ABPN examination fee is $1,900, with a $500 late-application surcharge for candidates who miss the regular deadline. The separate ABPMR application route costs $2,000 total, comprising a $1,400 examination fee and a $600 processing fee.
The next exam administration is October 29, 2026, with the following cycle in 2028 - this is not an annual exam. Per ABPN's examination schedule (updated June 1, 2026):
- Application opens: December 1, 2025
- Regular deadline: March 13, 2026
- Late deadline: March 20, 2026
Missing the regular deadline means paying the late surcharge on top of the standard fee, so build your fellowship completion and application timeline around these dates well in advance. For the complete fee comparison and payment logistics, see our BIM certification cost breakdown, and for a calendar-focused view, check BIM exam dates and deadlines.
How Passing Works
BIM certification uses criterion-referenced passing rather than a curve - your score is measured against a fixed standard of competence, not against how other candidates in your cohort performed. This means your result depends solely on your own mastery of the six domains, not on the difficulty of the specific cohort you're tested alongside.
ABPN reports that 75 of 78 first-time BIM candidates passed during 2021-2025, a figure ABPN rounds to approximately 96%. It's important to note this reported cohort reflects first-time takers under ABPN's tracking and does not combine all ABPMR-route candidates, so it shouldn't be read as a universal pass rate across every application path. For more context on what this figure does and doesn't tell you, read our BIM pass rate analysis and our companion piece on exactly what you need to pass.
Maintaining Certification: LA-BIM
Once certified, maintenance does not follow ABPN's general ABCC assessment pathway. Instead, BIM diplomates participate in LA-BIM - a longitudinal assessment delivered quarterly within five-year assessment cycles. Your individual ABPN assessment due date governs exactly when your participation timing begins, so this is not a one-size-fits-all calendar.
Beyond LA-BIM participation, diplomates must:
- Maintain primary certification and unrestricted licensure
- Complete 90 Category 1 CME credits every three years, including 16 self-assessment credits
- Complete one performance-in-practice activity per three-year cycle if clinically active
- Complete the applicable one-time patient-safety activity
Annual ABPN fees also apply: $175 for one certificate, $240 for two certificates, or $310 for three or more. If you hold BIM alongside your primary certification, expect to pay the two-certificate rate at minimum.
Who Hires BIM-Certified Physicians
BIM-certified physicians typically practice in settings where brain injury is a primary or frequent diagnosis: inpatient rehabilitation hospitals, outpatient concussion and TBI clinics, VA and military medical centers treating combat-related brain injury, academic medical centers with brain injury fellowship programs, and multidisciplinary neurorehabilitation teams. Because the credential sits on top of psychiatry or neurology board certification, it also opens doors within psychiatric consultation-liaison services and neurology practices that see a high volume of post-injury patients.
Employers value the credential because it signals verified, exam-tested competence across all six manifestation domains - not just neurological findings, but the cognitive, psychiatric, pain, and systemic dimensions of brain injury care that a generalist might not routinely manage. For a broader look at career paths and hiring patterns, see BIM jobs and our analysis of whether BIM certification is worth it, plus the BIM salary guide for compensation context.
Preparing for the BIM Exam
Because the exam blueprint weights domains unevenly, your study time should mirror those weights rather than being spread evenly across all six areas. Central Nervous System Manifestations and Cognitive and Behavioral Dysfunction together account for half the exam, so they deserve proportionally more review time, repetition, and practice questions than Soft Tissue and Orthopedic Conditions.
Central Nervous System Manifestations
- Review neuroimaging correlates and localizing exam findings
- Work through seizure and movement disorder case scenarios
Cognitive and Behavioral Dysfunction
- Practice interpreting neuropsychological test batteries
- Review behavioral management approaches for agitation
Psychiatric, Pain and Sleep, Systemic Manifestations
- Differentiate primary psychiatric disease from injury sequelae
- Review post-traumatic headache and autonomic dysfunction
Timed Practice and Review
- Complete full-length timed question blocks matching the 3.5-hour sections
- Revisit Soft Tissue and Orthopedic Conditions briefly given its 5% weight
Beyond scheduling, closed-book, image-heavy questions mean you need repeated exposure to realistic question formats rather than passive reading alone. A structured BIM study guide paired with a domain-weighted BIM cheat sheet for quick review can help consolidate the highest-yield facts before test day. Practicing with a realistic question bank on BIM Exam Prep lets you simulate the two-section, seven-hour format so pacing feels familiar when you sit down at the Pearson VUE center.
Key Takeaway
Allocate study time proportionally to domain weight - Central Nervous System Manifestations and Cognitive and Behavioral Dysfunction combined make up half the exam, so they should occupy roughly half your prep schedule.
Frequently Asked Questions
No. The fellowship is one year of ACGME-accredited training that satisfies part of the eligibility requirement. BIM certification is the credential earned after passing the exam administered through ABPN and ABPMR.
It depends on your primary certifying board and situation. ABPN certifies diplomates and charges $1,900 (plus a $500 late surcharge), while the separate ABPMR route costs $2,000 total. Review your specific pathway before registering.
The exam is not annual. The next administration is October 29, 2026, with the following cycle in 2028, so missing an application window means waiting roughly two years.
Yes. Maintenance uses LA-BIM, a quarterly longitudinal assessment within five-year cycles, plus 90 Category 1 CME credits every three years (including 16 self-assessment credits) and periodic performance-in-practice activities.
Central Nervous System Manifestations, since it represents 30% of the blueprint - the largest single domain - followed by Cognitive and Behavioral Dysfunction at 20%.