Allergy & Immunology Exam Dates 2026: Testing Windows, Deadlines & Scheduling

2026 Testing Window at a Glance

Unlike certification programs that offer rolling or multi-month testing windows, the American Board of Allergy and Immunology (ABAI) sets a short, fixed annual window for the initial certification examination. For 2026, that window is September 28 through October 2. This is a single narrow band on the calendar, not a season, which makes date planning far more consequential than it would be for exams with year-round availability.

Because the window is compressed into five days, candidates don't get to "pick a slower month" the way they might with other credentialing exams. Instead, success hinges on locking in eligibility early, registering before deadlines, and reserving a Pearson VUE test-center seat before slots fill. If you're still mapping out what the exam actually covers before you think about dates, the Allergy & Immunology Exam Domains 2026 guide is a useful companion to this scheduling article.

Key Dates and Deadlines

ABAI publishes exam-cycle milestones on its official site, and the two numbers every candidate needs memorized are the exam window itself and the fee structure tied to on-time versus late applications. While ABAI's site lists the precise application deadline dates for each cycle, the practical planning takeaway is this: submit your application well ahead of the standard deadline, because a late submission triggers an additional $500 charge on top of the standard fee.

• 2026 Exam Window: September 28 - October 2, 2026
• Standard Application Fee: $2,650
• Late Application Surcharge: +$500 (total $3,150)

Because ABAI coordinates delivery through Pearson VUE in partnership with Data Recognition Corporation (DRC), your specific day and testing appointment within that five-day window is assigned during scheduling - it is not something you choose arbitrarily once your application is approved. Treat the application deadline, not the exam window itself, as your real countdown target.

Registration, Fees, and Late Penalties

The 2026 initial certification examination fee is $2,650. This is the baseline cost for candidates who complete their application on time. Candidates who miss the standard deadline but still want to sit for the 2026 window must pay an additional $500, bringing their total to $3,150. There is no partial-fee or discounted-late option described by ABAI - the surcharge is a flat addition.

For a full breakdown of every cost associated with certification - including how the exam fee compares to Maintenance of Certification's ongoing $400 annual fee - see the Allergy & Immunology Certification Cost 2026 breakdown. If you're still confirming that you actually qualify to apply in the first place, review the Allergy & Immunology Requirements 2026 guide before you pay any fee.

What Exam Day Actually Looks Like

The initial certification exam is delivered as 225 multiple-choice questions spread across seven hours in two sessions. That structure matters for how you plan the day itself: a seven-hour commitment with a scheduled break between sessions is a different kind of endurance test than a single three-hour sitting. Pacing across two long blocks, rather than cramming stamina into one sitting, should factor into how you rehearse timed practice sessions in the weeks before your date.

Passing is determined against an absolute minimum standard rather than a percentage-correct cutoff that shifts by cohort. That distinction is worth understanding well before exam day - for a full explanation of what that standard means in practice, see the Allergy & Immunology Passing Score 2026 guide.

Eligibility Timing Considerations

Exam dates only matter if you're eligible to sit on them. ABAI requires candidates to hold ABIM and/or ABP certification by the examination date, complete at least 24 consecutive months of full-time qualifying allergy/immunology fellowship training, and hold valid, current, unrestricted medical licensure. Each of these has its own timing implications:

• ABIM/ABP certification: Must be in place by the actual examination date in the window - not just the application deadline.
• 24 consecutive months of fellowship training: Plan your application around your fellowship completion date, since the training requirement is consecutive, not cumulative.
• Unrestricted licensure: Any lapse or restriction on your medical license close to the exam date can jeopardize eligibility, so resolve licensure administrative issues well before September.

New certificates carry a ten-year term, after which Maintenance of Certification activities - including annual license attestation, CME credits, and Continuous Assessment Program participation - keep the credential active. Timing your initial exam correctly is the first domino in a decade-long certification cycle, so it's worth getting right the first time. The requirements guide walks through every eligibility component in more depth.

Building a Study Calendar Around the Window

Because the 2026 window falls in late September and early October, most candidates' effective study runway starts in the spring or early summer. Rather than a generic weekly template, your calendar should be built around the exam's actual weighting. The blueprint (updated November 2021) allocates 54% to Allergy and Hypersensitivity Principles and Disorders, 45% to Immunological Disorders, and 1% to Emerging Health Priorities. Allocate study weeks proportionally, not evenly.

If you want a category-by-category breakdown of what falls under each domain, the exam domains guide covers all three areas in detail, and the study guide expands on first-attempt strategy. For candidates wondering how tough this exam actually feels relative to the effort required, the difficulty guide is a helpful gut-check before you commit to a study calendar.

Test-Center Logistics and Pearson VUE/DRC

ABAI delivers the initial certification exam through Pearson VUE test centers, with scheduling coordinated by Data Recognition Corporation (DRC). Once your application is approved, you'll schedule your specific appointment within the September 28-October 2 window through Pearson VUE's system. Popular test centers in major metro areas can fill quickly once the window opens for scheduling, so approved candidates should book their seat promptly rather than waiting until the final days before the window.

Because Pearson VUE test centers serve many certification programs simultaneously, availability is genuinely first-come, first-served. If your preferred center or date within the window is important to you - for example, because of travel logistics or work coverage - schedule as soon as your application is approved rather than treating the whole five-day window as equally available at any time.

Where This Fits in Your Certification Timeline

The initial certification exam is distinct from the fellows' In-Training Examination and from Maintenance of Certification assessments - it's the credentialing milestone that follows fellowship and precedes a ten-year certificate term. Once certified, ongoing requirements include 25 relevant AMA PRA Category I CME credits annually, a patient-safety module once every ten years, a practice-assessment/quality-improvement module once every five years, annual license attestation, Continuous Assessment Program (CAP) participation, and a $400 annual fee. CAP itself is open-resource, using 80 questions annually across two blocks with ten minutes allotted per question, and its passing standard is an aggregate 80% over a five-year cycle after the two lowest blocks are dropped.

None of those renewal mechanics affect your 2026 initial exam date planning directly, but understanding that this single September-October window is the entry point to a decade-long certification relationship helps put the stakes of hitting your deadlines in perspective. For a broader look at whether the investment pays off across that ten-year term, see Is the Allergy & Immunology Certification Worth It? and the salary guide.

To sharpen your recall of high-yield facts as your date approaches, many candidates keep a condensed reference nearby - the Allergy & Immunology Cheat Sheet 2026 is built for exactly that final-weeks review. And if you want to practice under realistic timed conditions before your actual Pearson VUE appointment, you can start working through timed questions at our practice test platform well before your September window opens.

Frequently Asked Questions