- CNAMB has 200 questions (185 scored, 15 pretest) in 3 hours 45 minutes; passing requires a scaled score of 620.
- Application fee is $400 including your first attempt; retakes cost $175 each.
- Intraoperative Care is the heaviest domain at 20%-prioritize it in final review.
- 2025 CCI data: 78.6% first-time pass rate, 83.3% for retakes, 78.9% overall.
Quick Facts at a Glance
This page is built for the last 48 hours before test day - a condensed, no-fluff reference for anyone who has already studied and just needs to confirm the numbers, domain weights, and logistics one more time. If you haven't started building your knowledge base yet, back up and work through the CNAMB Study Guide 2026: How to Pass on Your First Attempt first, then return here for the final review pass.
| Item | Detail |
|---|---|
| Certifying body | Competency & Credentialing Institute (CCI) |
| Exam delivery | PSI test centers or Remote Secure Proctored Exam |
| Application fee | $400 (covers first attempt) |
| Retake fee | $175 |
| Question count | 200 total - 185 scored, 15 unscored pretest |
| Time limit | 3 hours 45 minutes |
| Passing score | 620 on a 200-800 scale |
| Credential validity | 3 years |
| Renewal fee | $325 |
Registration & Fee Mechanics
The CCI application fee is $400, and that fee bundles your first exam attempt - you are not paying separately to sit the exam once approved. If you need to retake, each subsequent attempt costs $175. Budgeting for a possible retake matters when you're planning ahead financially; a full breakdown of every fee scenario lives in CNAMB Certification Cost 2026: Complete Pricing Breakdown.
Once your application is approved, the clock starts on a 12-month eligibility period, but your first attempt must happen within 90 days of approval. If you fail and need to retest, CCI requires a minimum 30-day wait between attempts. Testing itself is offered continuously rather than in fixed windows, so scheduling flexibility is on your side - just don't let the 90-day first-attempt clock slip. See CNAMB Exam Dates 2026: Testing Windows, Deadlines & Scheduling for the full scheduling timeline.
Key Takeaway
Treat the 90-day first-attempt window as your real deadline. Build your study calendar backward from that date, not from the 12-month eligibility ceiling.
Exam Format Snapshot
The CNAMB exam is delivered through PSI, either at a physical testing center or via Remote Secure Proctored Exam from home or another private location. Both formats use the same 200-question, multiple-choice structure - 185 items count toward your score, and 15 are unscored pretest questions used by CCI to evaluate future exam content. You won't know which is which, so every question deserves full attention.
You'll have 3 hours 45 minutes to complete the exam. One meaningful logistics difference: candidates testing at a physical center receive a single 10-minute break, while remote candidates receive no scheduled break at all. That's worth factoring into your pacing and hydration/restroom planning before you sit down. If you're weighing which delivery format fits your test-taking style, the difficulty and format comparisons in How Hard Is the CNAMB Exam? Complete Difficulty Guide 2026 go into more depth.
Nine-Domain Cheat Sheet
The current CNAMB blueprint has nine domains, and they are not weighted evenly. This is the single most important table on this page - memorize the top three weights before anything else.
| Domain | Weight |
|---|---|
| Intraoperative Care | 20% |
| Preoperative Patient Assessment and Diagnosis | 14% |
| Preoperative Plan of Care | 12% |
| Communication | 12% |
| Postoperative/Transfer of Care | 10% |
| Professional Accountability | 10% |
| Management of Personnel, Services, and Materials | 9% |
| Instrument Processing and Supply Management | 8% |
| Emergency Situations | 5% |
Domain 3: Intraoperative Care (20%)
The largest single domain and a near-guaranteed focal point of the exam. Candidates need fluency in surgical positioning, sterile technique maintenance, monitoring during the procedure, and coordinating with the surgical team in real time.
- Patient monitoring and physiologic changes during the procedure
- Maintaining a sterile field and recognizing breaks in technique
- Specimen handling and count procedures
Domain 1: Preoperative Patient Assessment and Diagnosis (14%)
This domain tests your ability to gather and interpret preoperative data accurately before a patient ever enters the OR.
- History and physical review, including comorbidities affecting anesthesia and surgery
- Identifying red flags that could delay or cancel a case
- Diagnostic and lab result interpretation relevant to ambulatory surgery
Domain 2: Preoperative Plan of Care & Domain 4: Communication (12% each)
These two domains together account for nearly a quarter of the exam. Plan of Care focuses on individualized preparation, patient education, and informed consent verification. Communication covers handoffs, interdisciplinary coordination, and clear documentation.
- Tailoring preoperative teaching to the specific procedure and patient
- SBAR-style handoff accuracy between preop, intraop, and PACU roles
- Documentation standards that support continuity of care
For a domain-by-domain breakdown with sample question angles and study priorities for each of the nine areas, the companion resource CNAMB Exam Domains 2026: Complete Guide to All 9 Content Areas is worth bookmarking alongside this cheat sheet.
Eligibility Recap
Before you can even register, CCI requires a current, unrestricted RN license and a qualifying nursing degree, plus current employment in ambulatory surgery. Beyond that baseline, there are two experience pathways:
- Standard pathway: two years and 2,400 hours of ambulatory surgery experience, including at least 500 intraoperative hours.
- Accelerated pathway: candidates holding CFPN, CST, TS-C, or a recognized military equivalent need only 18 months and 2,400 hours of perioperative RN experience.
If you're not sure which pathway applies to you, or you want the full documentation checklist, review CNAMB Requirements 2026: Eligibility, Prerequisites & How to Qualify before you submit anything to CCI.
Key Takeaway
Confirm your hours and license status match CCI's exact wording before paying the $400 fee - eligibility issues discovered after payment cost you time, not just money.
Scoring & Results Recap
CNAMB uses a scaled score, not a raw percentage. The scale runs from 200 to 800, and you need a 620 to pass. Because 15 of the 200 questions are unscored pretest items you can't identify, don't waste energy trying to guess which questions "don't count" - treat every question as scored.
CCI's 2025 results reported a 78.6% first-time pass rate, 83.3% among retake candidates, and a 78.9% overall pass rate across 76 candidates. Those numbers suggest the exam is passable with solid preparation but not something to walk into casually. For the full context behind those figures and what they mean for your prep timeline, see CNAMB Pass Rate 2026: What the Data Shows and the scoring mechanics deep-dive in CNAMB Passing Score 2026: Exactly What You Need to Pass.
Renewal Recap
CNAMB certification is valid for three years. To renew, you need:
- 200 professional-activity points earned during the cycle
- A current, unrestricted RN license
- 1,500 ambulatory-surgery employment hours during the three-year cycle
- A $325 renewal fee
Start tracking activity points and hours early in your cycle rather than scrambling in year three - it's far easier to log continuing education and work hours as they happen than to reconstruct them later.
Final-Week Review Plan
In the last stretch before test day, resist the urge to introduce new study methods. A simple, domain-weighted review schedule works better than starting fresh with unfamiliar techniques.
Intraoperative Care & Assessment
- Re-drill Domain 3 (20%) and Domain 1 (14%) - together they're a third of the exam
- Run timed practice sets focused on positioning, sterile technique, and preop red flags
Plan of Care, Communication, Postop
- Review Domains 2, 4, and 5 together since they overlap around handoffs and patient teaching
- Practice SBAR-style scenario questions
Lower-Weight Domains & Weak Spots
- Cover Domains 6, 7, 8, and 9 - lighter weights but still scored questions
- Revisit any domain where your practice-test accuracy has lagged
Logistics & Light Review
- Confirm your PSI testing appointment and ID requirements
- Light review only - no new material, no cramming past your normal bedtime
For a longer-horizon plan that starts months out instead of days, the week-by-week structure in CNAMB Study Guide 2026: How to Pass on Your First Attempt covers pacing across your full eligibility window. You can also run full-length timed simulations on our CNAMB practice test platform to get comfortable with the 3-hour-45-minute pacing before exam day.
Why This Credential Shows Up on Job Postings
CNAMB is specifically recognized by employers hiring RNs into ambulatory surgery center roles - same-day surgical settings where the full case cycle, from preop assessment through same-day discharge, happens under one roof. Facility managers use it as a differentiator when comparing candidates for perioperative and circulating roles. If you're weighing whether the credential is worth pursuing given the cost and study time, Is the CNAMB Certification Worth It? Complete ROI Analysis 2026 and CNAMB Salary Guide 2026: Complete Earnings Analysis walk through the tradeoffs in more detail, and CNAMB Jobs looks at where the credential shows up in postings.
FAQ
200 total questions - 185 scored and 15 unscored pretest items - administered over 3 hours 45 minutes.
You need a scaled score of 620 on a 200-800 scale. Raw correct-answer counts aren't directly reported to candidates as a percentage.
The application fee is $400, which includes your first attempt. If you need to retake, each additional attempt costs $175.
Intraoperative Care carries the highest weight at 20%, followed by Preoperative Patient Assessment and Diagnosis at 14%. Those two domains together make up roughly a third of the scored questions.
The content and question count are identical, but break policy differs: test-center candidates get one 10-minute break, while Remote Secure Proctored Exam candidates receive no scheduled break.