- What Adult & Pediatric Allergy & Immunology Certification Stands For
- Who Administers It: The AOA Conjoint Committee
- Exam Format: 250 Questions, Four Sections, One Score
- The Eight Content Domains, In Order of Weight
- Eligibility: AOBIM/AOBP, Fellowship, and Verification
- Cost, Cancellation, and Refund Mechanics
- Beyond Pass Day: OCC and Certificate Terms
- A Domain-Weighted Way to Prepare
- Who Looks for This Credential
- Frequently Asked Questions
- PAAI stands for the American Osteopathic Conjoint Examination Committee on Pediatric and Adult Allergy and Immunology's exam program.
- The exam has 250 multiple-choice questions across four 90-minute sections (63, 62, 63, 62 questions).
- Basic science carries the heaviest domain weight at 30% of the initial exam blueprint.
- Passing requires a scaled score of 500 on a 200-800 scale, not a raw percentage.
What Adult & Pediatric Allergy & Immunology Certification Stands For
When candidates search for what this credential "stands for," they usually mean one of two things: the literal acronym, or the professional weight it carries. Here, PAAI is the examination program administered by the American Osteopathic Conjoint Examination Committee on Pediatric and Adult Allergy and Immunology, operating under the American Osteopathic Association (AOA). This site focuses specifically on the initial subspecialty certification exam - not the separate Osteopathic Continuous Certification (OCC) longitudinal assessment that diplomates complete afterward to maintain standing.
Practically, the certification stands for verified competency across both pediatric and adult allergy and immunology practice, built on osteopathic primary-board credentials. It signals to employers, credentialing committees, and patients that a physician has passed a structured, proctored, scaled examination covering the full breadth of the subspecialty - from basic immunologic science to clinical management of skin and pulmonary disease. For a broader definition-focused discussion, see What Is Adult & Pediatric Allergy & Immunology? and Adult & Pediatric Allergy & Immunology Meaning.
Who Administers It: The AOA Conjoint Committee
The certifying authority is the American Osteopathic Conjoint Examination Committee on Pediatric and Adult Allergy and Immunology, functioning within the AOA's certification structure. This matters for candidates because eligibility, exam mechanics, and recertification rules all flow from AOA policy rather than from a separate specialty board with its own independent rulebook. If your training pathway or primary certification sits outside the AOA system, you'll want to confirm alignment before applying. Full eligibility mechanics are covered in Adult & Pediatric Allergy & Immunology Requirements 2026.
Exam Format: 250 Questions, Four Sections, One Score
The initial examination is delivered remotely through MonitorEDU using the PARADIGM examination platform. Candidates need a suitable computer, a smartphone camera for proctoring, valid identification, and a private testing space. Electronic lab values, an on-screen calculator, and a digital scratchpad are provided during the test - you don't need to bring your own reference materials.
Structurally, the exam is built from 250 multiple-choice questions split into four 90-minute sections containing 63, 62, 63, and 62 questions respectively. Scheduled breaks run 10, 30, and 10 minutes, meaning the full day totals six hours of active answering time plus 50 minutes of breaks - a 6-hour-50-minute schedule from check-in to completion.
| Exam Element | Detail |
|---|---|
| Total questions | 250 multiple-choice |
| Sections | Four, at 90 minutes each |
| Questions per section | 63, 62, 63, 62 |
| Breaks | 10 min, 30 min, 10 min (50 min total) |
| Total scheduled time | 6 hours 50 minutes |
| Passing standard | Scaled score of 500 (200-800 scale) |
| Delivery | Remote-proctored, MonitorEDU / PARADIGM platform |
Because passing is defined by a scaled score rather than a fixed percentage of correct answers, candidates shouldn't fixate on hitting a specific raw count right. For a deeper breakdown of what the 500 threshold actually means in practice, read Adult & Pediatric Allergy & Immunology Passing Score 2026. And if you're trying to gauge overall exam difficulty before committing to a study plan, How Hard Is the Adult & Pediatric Allergy & Immunology Exam? walks through the format's demands in more depth.
The Eight Content Domains, In Order of Weight
The initial examination blueprint is organized into eight content areas that together total 100%. This differs from the OCC blueprint, which uses its own separate structure - so make sure any domain-based study plan you build is keyed to the initial-exam weights below, not the maintenance assessment.
Domain 1: Basic Science (30%)
The single largest domain by a wide margin. Expect deep coverage of immunologic mechanisms, cellular and molecular immunology, and the science underlying allergic and immunologic disease processes.
- Treat this as the anchor domain for your entire study plan
Domain 2: Primary and Secondary Immunodeficiencies (10%)
Covers recognition, workup, and management of both congenital and acquired immunodeficiency states across the pediatric-to-adult spectrum.
Domain 3: GI Disorders (10%)
Focuses on gastrointestinal manifestations relevant to allergy and immunology practice, including eosinophilic and immune-mediated GI conditions.
Domain 4: Autoimmunity and Other Immunological Disorders (3%)
The smallest weighted domain, but still a discrete scoring category worth targeted review rather than being skipped entirely.
Domain 5: Pulmonary Diseases (13%)
Asthma and related pulmonary conditions as they intersect with allergic and immunologic disease - a domain with real clinical overlap with Domain 7.
Domain 6: Hypersensitivity Reactions and Mast Cell Disorders (11%)
Covers classic hypersensitivity classifications alongside mast cell activation and related disorders.
Domain 7: Allergic and Non-Allergic Upper Respiratory Tract Diseases (13%)
Rhinitis, sinusitis, and related upper airway conditions, distinguishing allergic from non-allergic etiologies.
Domain 8: Skin Disorders (10%)
Dermatologic manifestations of allergic and immunologic disease, including presentations across both pediatric and adult populations.
Together, Basic Science, Pulmonary Diseases, and Allergic/Non-Allergic Upper Respiratory Tract Diseases account for the majority of scored content. For a section-by-section study strategy mapped to these exact weights, see Adult & Pediatric Allergy & Immunology Exam Domains 2026: Complete Guide to All 8 Content Areas.
Key Takeaway
Since Basic Science alone is 30% of the exam - nearly a third - any study plan that treats all eight domains as equally important is misallocating time. Weight your review hours to match the blueprint.
Eligibility: AOBIM/AOBP, Fellowship, and Verification
Eligibility for the initial examination requires:
- Primary certification through AOBIM or AOBP
- An active, unrestricted medical license
- Professional and ethical standing as determined by the committee
- Qualifying allergy/immunology fellowship training, with verification
Senior fellows have a notable option: those who have completed at least 80% of their required clinical rotations may sit for the exam before finishing training. Certification itself, however, still requires verified completion of the full training program afterward - passing the exam early doesn't substitute for finishing fellowship. Candidates weighing timing around this rule should review the full eligibility criteria in Adult & Pediatric Allergy & Immunology Requirements 2026 before scheduling.
Cost, Cancellation, and Refund Mechanics
The initial examination costs $1,700. A retake, for candidates who need to sit again, costs $1,400. If plans change, a written cancellation submitted at least 15 full days before the scheduled examination date qualifies for a refund, minus a $300 processing fee. Cancelling later than that window forfeits eligibility for a refund under this policy, so calendar tracking matters as much as content review.
Beyond Pass Day: OCC and Certificate Terms
Certificates issued before 2025 carry ten-year terms; the 2025 cohort specifically carries a two-year term. Maintenance runs through Osteopathic Continuous Certification (OCC), which is structured differently from the initial exam blueprint discussed above. OCC includes 16 untimed, open-resource PAAI questions annually, with a 70% annual passing criterion, delivered for a $250 annual assessment fee. The 2026 assessment cycle runs through the AOA Learning Portal.
New diplomates don't start OCC immediately - participation begins after one full calendar year of certification, meaning the 2025 cohort begins its OCC obligations in 2027. Maintenance also requires ongoing licensure, compliance with primary-board CME (without an additional conjoint-subspecialty CME quota layered on top), and completion of one quality-improvement activity every ten years.
Understanding this lifecycle matters even before you sit the initial exam, since it shapes long-term cost and time planning. If you're still deciding whether pursuing certification makes sense given the full commitment, Is the Adult & Pediatric Allergy & Immunology Certification Worth It? lays out the ROI considerations in more detail.
A Domain-Weighted Way to Prepare
Generic study techniques - spaced repetition, timed practice blocks, active recall - work well here, but only when they're mapped to this exam's specific domain weights rather than applied evenly across all eight content areas.
Basic Science (30%)
- Build the deepest review block around this domain first, since it's nearly a third of total scoring weight
Pulmonary Diseases (13%) and Upper Respiratory Tract Diseases (13%)
- Study these together given their clinical overlap in allergic airway disease
Hypersensitivity Reactions and Mast Cell Disorders (11%)
- Focus on classification schemes and mast cell activation criteria
Immunodeficiencies (10%), GI Disorders (10%), Skin Disorders (10%)
- Rotate through these three mid-weight domains in a single week using timed question sets
Autoimmunity (3%) plus full-length timed review
- Close the smallest domain, then run full four-section timed practice matching the 6-hour-50-minute format
For a more granular week-by-week plan with source recommendations and question-bank strategy, see the Adult & Pediatric Allergy & Immunology Study Guide 2026. You can also run full practice sessions timed to the real exam structure on the main practice test platform to build stamina for the four 90-minute sections before test day.
Who Looks for This Credential
Employers and credentialing bodies evaluating candidates for allergy and immunology roles within osteopathic-affiliated health systems, group practices, and academic centers typically look for verified initial certification as a baseline qualification, alongside primary AOBIM or AOBP certification. Beyond direct clinical hiring, the credential also factors into privileging decisions and payer credentialing where subspecialty verification is required. For a broader look at how this credential shows up across job postings and practice settings, see Adult & Pediatric Allergy & Immunology Jobs and Adult & Pediatric Allergy & Immunology Training.
If you're earlier in the decision process and want a plain-language explanation of what the credential covers before diving into exam mechanics, start with What Does Adult & Pediatric Allergy & Immunology Mean? or What Is A Adult & Pediatric Allergy & Immunology?. Once you're ready to commit to a prep timeline, practicing against realistic question formats on our practice test platform is a reasonable next step alongside content review.
Frequently Asked Questions
PAAI refers to the examination program run by the American Osteopathic Conjoint Examination Committee on Pediatric and Adult Allergy and Immunology, under the AOA. It is the initial subspecialty certification exam this site covers.
The exam has 250 multiple-choice questions split across four 90-minute sections (63, 62, 63, and 62 questions), with 10-, 30-, and 10-minute breaks, totaling a 6-hour-50-minute schedule.
You need a scaled score of 500 on a 200-800 scale. This is not a fixed percentage of raw correct answers, so scoring interpretation differs from simple right/wrong tallies.
Senior fellows may test after completing at least 80% of required clinical rotations, but certification is only granted once training completion is fully verified.
A written cancellation submitted at least 15 full days before the exam date qualifies for a refund, minus a $300 processing fee. Later cancellations do not qualify under this policy.