- ABCRS Part I is a six-hour, computer-based multiple-choice exam delivered at Pearson VUE centers via ABS.
- The board's March 2024 manual lists six question-database categories, not official weighted percentages.
- 2027 written-exam fee is $1,200; late payment runs $1,400 if paid January 16-19, 2027.
- The 2027 application window already closed September 10, 2026 - mark March 10, 2027 for the exam itself.
What DABCRS Actually Means for Part I Prep
Becoming a Diplomate of the American Board of Colon and Rectal Surgery (DABCRS) starts with the ABCRS Part I Written Examination - a milestone that sits between residency and full board certification. This cheat sheet condenses the operational facts you need on one page: format, categories, dates, fees, and eligibility, sourced directly from the American Board of Colon and Rectal Surgery's published materials as reviewed September 23, 2026.
If you want the long-form version of any section below, this page links out to deeper guides - including the full DABCRS Study Guide 2026 and the domain-by-domain breakdown in the DABCRS Exam Domains 2026 guide. Bookmark this page and pair it with our practice test platform for active recall between review sessions.
Exam Format Snapshot
Part I is a six-hour, multiple-choice examination covering the theory and practice of colon and rectal surgery, including relevant radiology, pathology, and basic science. The six-hour window is the scheduled examination duration - it is not a claim about continuous or uninterrupted question-answering time, so plan your pacing accordingly rather than assuming every minute is spent clicking answers.
- Delivery: Computer-based testing at Pearson VUE test centers, coordinated through the American Board of Surgery (ABS).
- Admission: Requires an approved ABCRS application, examination-fee payment, and an Examination Admission Authorization letter. Bring that letter plus two IDs matching the name on it - one with a photograph, and signatures on both.
- Test-center coverage: The board's dates page excludes Pearson VUE centers in Quebec, Canada.
- Candidate ID: Pulled from your Admission Authorization letter - you'll need it to book your seat.
For a discussion of how demanding this format is relative to other surgical boards, see How Hard Is the DABCRS Exam? Complete Difficulty Guide 2026. If you're trying to pin down exactly how many questions you need right to pass, the board does not publish a fixed question count or category weighting - see DABCRS Passing Score 2026 for what is and isn't publicly confirmed.
The Six Categories at a Glance
The March 2024 Instructions for Question Writers lists six issuer-published question-database categories. These are shared across ABCRS examination programs generally - they are not presented as an exclusive or exhaustive Part I blueprint, and no official percentage weighting or fixed question count is attached to any of them. Practice-bank allocations you see from commercial vendors are editorial choices, not board specifications.
Domain 1: Perioperative Considerations and Colonoscopy
Covers the operative and procedural touchpoints that surround nearly every colorectal case.
- Prophylaxis and bowel preparation strategy
- Medication, fluid, and electrolyte management
- Recovery pathways and ileus prevention
- Intraoperative complications
- Colonoscopy preparation, screening, marking, polypectomy technique, and complications
Domain 2: Anorectal
A dense clinical category built around common outpatient and operative anorectal presentations.
- Hemorrhoid mechanisms and management options
- Special patient circumstances affecting anorectal treatment choices
- Treatment complications
- Fissure management
Domain 3: Pelvic Floor, Fecal Incontinence, Lower GI Motility/Constipation
Groups functional disorders of defecation and motility together - an area where terminology precision matters on multiple-choice stems.
Domain 4: Benign Disease and IBD
Spans non-malignant colorectal pathology, with inflammatory bowel disease as a major subset.
Domain 5: Neoplasia
Malignant and premalignant colorectal disease, staging, and management pathways.
Domain 6: Miscellaneous
A catch-all category for topics that don't fit cleanly into the other five headings.
Key Takeaway
Because the two anorectal-adjacent domains (Domain 1's colonoscopy component and Domain 2's hemorrhoid/fissure content) have the most publicly detailed subtopic anchors, review these first if you're short on time - then work outward through Domains 3-6. Full subtopic detail lives in the DABCRS Exam Domains 2026 guide.
Fees, Dates, and Registration Mechanics
Registration for ABCRS Part I runs on a strict, two-payment timeline. Confusing the application fee with the examination fee - or missing a late-payment window - can cost you a testing cycle.
| Item | Amount / Date |
|---|---|
| Application fee | $400 |
| Late application charge | +$200 (window closed Sept 10, 2026 for the 2027 cycle) |
| Part I examination fee | $1,200 |
| Late Part I payment total | $1,400 (includes $200 late charge; accepted Jan 16-19, 2027 only) |
| Written-exam fee deadline | January 15, 2027 |
| Next written exam date | March 10, 2027 (per Important Dates page) |
For the 2027 pathway specifically: application materials, the application fee, and the ACGME operative log were due August 15, 2026, with late applications accepted through September 10, 2026. That window is closed as of this writing. What remains open is the examination-fee payment, due January 15, 2027, with a short late window through January 19, 2027 and no exceptions after that date. A full cost breakdown, including how these fees compare across the certification pathway, is in DABCRS Certification Cost 2026: Complete Pricing Breakdown, and the complete scheduling calendar is in DABCRS Exam Dates 2026.
Eligibility Checklist
Before you can even register for Part I, ABCRS requires the following, drawn from the board's qualifications and policies pages:
- Completion of an ACGME-accredited colon and rectal surgery residency
- A valid, full, unrestricted medical license maintained throughout certification
- Board approval of your formal application
- Submission of the required ACGME operative log
- Passing the ABS Qualifying Examination before sitting for ABCRS Part I
- Application submitted within three years of completing approved colorectal training
- Full certification completed within seven years following approval of the formal application
Note that ABS certification is a prerequisite for Part II, and passing Part I alone does not confer Diplomate status - Part II is a separate oral examination, and continuing certification (with its own CertLink and CME structure) is a distinct, later obligation. For the complete requirements walkthrough, see DABCRS Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Key Takeaway
Three deadlines matter more than any study schedule: the three-year post-residency application window, the seven-year total certification window, and the January payment deadline for your chosen exam date. Missing any one resets your timeline.
A Four-Week Review Sprint
If you're compressing review into a final month before your Pearson VUE appointment, sequence your domains by how well-anchored the subtopics are rather than by textbook order. This keeps your effort proportional to what's confirmed versus what needs broader reading.
Anorectal + Perioperative/Colonoscopy
- Drill hemorrhoid staging, fissure management algorithms, and treatment complications
- Review bowel prep protocols, prophylaxis, and colonoscopy screening/polypectomy technique
- Run a timed question block through the practice test platform to benchmark pacing
Pelvic Floor, Incontinence, Motility
- Consolidate terminology across fecal incontinence and constipation workups
- Cross-reference physiology testing indications
Benign Disease/IBD + Neoplasia
- Compare medical vs. surgical thresholds in IBD
- Rebuild staging and management pathways for colorectal neoplasia
Miscellaneous + Full Mixed Review
- Sweep remaining topics that don't fit the other five domains
- Run mixed-domain practice blocks and log recurring error patterns
- Confirm admission letter details and travel logistics for test day
This structure intentionally keeps generic study techniques secondary to domain sequencing - for a deeper methodology discussion (spacing, error logs, and how to weight review time against exam-day pacing), see the full DABCRS Study Guide 2026.
Where to Find Reliable Prep Material
Because ABCRS does not publish official practice questions, category weights, or a fixed item count, treat any commercial bank's stated breakdown as editorial rather than authoritative. A few categories of resources exist in the market:
- ASCRS U CARSEP XII - practice quizzes with critiques and references, explicitly listing ABCRS qualifying-exam prep as a use case. Note that CARSEP is an educational program, not the exam itself, so its pillar structure shouldn't be treated as the official Part I blueprint.
- Osler - lists a colorectal qualifying/continuing-certification review separate from its oral-review products.
- ASCRS Textbook of Colon and Rectal Surgery - a reference text available through ASCRS U and in print, useful for deep dives once you've identified weak domains.
Whatever mix you choose, run your final weeks through original, clinician-reviewed practice questions with dated explanations and distractor rationales rather than relying on any single source's claimed weighting. Our practice test platform is built around that error-log workflow - filter by domain, track misses, and re-test until the pattern disappears. For a broader comparison of study resources and how they stack against each other, see DABCRS Study Guide 2026, and if you're still weighing whether the entire certification path is worth the time and cost, Is the DABCRS Certification Worth It? Complete ROI Analysis 2026 lays out the considerations without promising a salary outcome.
Frequently Asked Questions
No. Passing Part I is one step in the process. Part II is a separate oral examination, and Diplomate status requires completing the full certification pathway, not Part I alone.
The board's published sources do not establish official percentage weights or a fixed question count per category. Any weighting you see in commercial study guides is that vendor's editorial estimate, not a board specification.
The $400 application fee (plus a possible $200 late charge) covers your eligibility application and operative log submission. The $1,200 Part I examination fee is a separate payment due later, with its own late window and $1,400 late total.
The application window for the 2027 cycle closed September 10, 2026. If you missed it, check the board's Important Dates page directly for the next available cycle rather than assuming a new exception window.
Follow your candidate-specific Examination Admission Authorization letter and the Pearson VUE ABCRS page. Bring the letter and two IDs matching its name, one with a photo, with signatures on both - don't assume rules from other testing programs apply here.