- What the Published Data Actually Says
- How to Read the 58% Figure
- Why There Is No Verified 2026 Pass Rate
- The Raw Cut Score Behind Pass and Fail
- What Candidates Are Actually Tested On
- Where Candidates Tend to Lose Points
- The Eligibility Filter That Shapes the Candidate Pool
- Retakes, Fees, and the 90-Day Gap
- Turning the Blueprint Into a Study Sequence
- Frequently Asked Questions
- ONCB's most recent published figure is 58% for 2020: 316 passes among 544 examinees. It is not a 2026 rate.
- The 2020 figure is not verified as a first-attempt-only pass rate, so do not treat it as one.
- The published raw passing threshold is 97 of 135 scored items; 15 additional pretest items are unscored.
- Degenerative Disorders (51 items) and Pain (35-45 items) are the heaviest content areas on the blueprint.
What the Published Data Actually Says
If you search for the Orthopaedic Nurse - Certified pass rate, you will find a lot of confident-sounding numbers on third-party sites. Most of them are unsourced. The only figure we can anchor to is the one published by the Orthopaedic Nurses Certification Board (ONCB) itself, in its Official Summary of Certification Statistics 2014-2020. For 2020, ONCB reports a 58% pass rate, with 316 passes among 544 examinees.
That is the honest starting point for any discussion of ONC pass rates, and it comes with important limits. It is a historical number, it covers one testing year, and it does not tell you how a first-time candidate with solid orthopaedic experience is likely to perform. This article walks through what the number does and does not tell you, and how to use the exam's published structure to improve your own odds. For the broader difficulty picture, see our companion piece on how hard the ONC exam really is.
How to Read the 58% Figure
A pass rate in the high fifties sounds discouraging until you consider who sits for this exam and what the figure measures. A few interpretive points are worth keeping in mind.
It is a point-in-time snapshot
The 2020 result reflects one year of examinees taking whatever forms were in circulation then. Exam forms are equated, and the passing standard is set through a formal standard-setting process, so a single year's rate can move for reasons unrelated to candidate quality or test difficulty. A single data point should never be extrapolated into a trend.
It likely blends first-time and repeat examinees
ONCB's published summary does not break out first-attempt performance in the figure we verified. Candidates who failed previously and are retesting are plausibly included in the 544 examinees. If so, the number understates how a well-prepared first-timer might fare, though we cannot quantify by how much, and we will not guess. Anyone claiming a specific "first-attempt ONC pass rate" without a citation is inventing it.
It says nothing about your preparation
A pass rate is an average across candidates with very different preparation. What matters for you is whether your knowledge maps to the exam blueprint. That blueprint is public, and it is far more useful than the headline percentage. Our ONC study guide builds a plan around it.
Why There Is No Verified 2026 Pass Rate
Candidates reasonably want a current number. The difficulty is that the certifying body's published summary we reviewed ends at 2020. We checked ONCB's pages on exam fees, eligibility, the exam description, and recertification, along with the January 2026 Candidate Handbook, and none of them states a 2026 pass rate. So we are not going to supply one.
Two traps are worth avoiding:
- Outdated pages. An older ONCB fee page dating from January 2014 still exists online. It is not the current authority for fees, and it is certainly not a pass-rate source. Current fees live on the ONC Exam Fees page.
- Confusion with other credentials. Other certifications share the "ONC" letters, and their statistics have nothing to do with this one. This article concerns only the registered-nurse orthopaedic credential administered by ONCB. If you are unsure which credential is which, our explainer on what ONC stands for clears it up.
For up-to-date information, check ONCB directly and use our ONC pass rate resource as a reference point for what is and is not documented.
The Raw Cut Score Behind Pass and Fail
While the pass rate is a population statistic, the passing threshold is something you can plan around. The current ONC Exam Description publishes a raw passing threshold of 97 out of 135 scored items. That works out to roughly 72% of scored items correct, though ONCB frames the standard as a raw count, not a percentage.
Two details matter here:
- The exam has 150 questions, but only 135 are scored. The other 15 are unscored pretest items being evaluated for future use. You cannot tell which are which, so treat every question as if it counts.
- The cut score can differ slightly between forms. The Candidate Handbook describes Angoff standard setting and equating, which permits small form-specific differences. Treat 97/135 as the published threshold, not a guarantee for every form.
| Exam Feature | What ONCB Publishes |
|---|---|
| Total questions | 150 multiple-choice |
| Scored items | 135 |
| Unscored pretest items | 15 |
| Time allowed | Three hours |
| Raw passing threshold | 97 of 135 (slight form-specific variation possible) |
| Most recent published pass rate | 58% for 2020 (316 of 544) |
For a deeper look at scoring mechanics, read our guide to the ONC passing score.
What Candidates Are Actually Tested On
The Detailed Content Outline in the Candidate Handbook is the most underused resource among test takers. It organizes the exam along two intersecting axes: eight condition categories and six cross-cutting nursing tasks. These are not 14 separate, mutually exclusive domains. Every question sits at the intersection of a condition and a task, so the two sets of numbers must not be added together.
The eight condition categories
ONCB publishes item counts, not percentage weights. In Domain 1-8 order, the condition counts are 51, 26, 15, 11, 12, 7, 7, and 6, totaling 135:
| Domain | Condition Category | Scored Items |
|---|---|---|
| 1 | Degenerative Disorders | 51 |
| 2 | Orthopedic Trauma | 26 |
| 3 | Sports Injuries | 15 |
| 4 | Inflammatory Disorders | 11 |
| 5 | Metabolic Bone Disorders | 12 |
| 6 | Congenital/Pediatric Disorders | 7 |
| 7 | Musculoskeletal Tumors | 7 |
| 8 | Neuromuscular Disorders | 6 |
Domain 1: Degenerative Disorders (51 items)
The largest single category by a wide margin. Roughly 38% of the scored exam by simple division of 51 into 135, though ONCB itself publishes counts, not percentages.
- Expect heavy emphasis on joint disease and its surgical management.
- Operative orthopaedics is not a separate domain; it appears inside the relevant conditions, so perioperative care for degenerative joint conditions belongs here.
Domain 2: Orthopedic Trauma (26 items)
The second-largest category. Fracture management, immobilization, and the nursing response to acute injury are central.
The six cross-cutting nursing tasks
The task axis uses ranges rather than fixed counts: Self Care 22-32, Pain 35-45, Complications 31-41, Activity 15-25, Nutrition 3-9, and Psychosocial 3-9. These overlay the condition categories rather than adding to them.
| Domain | Nursing Task | Item Range |
|---|---|---|
| 9 | Self Care | 22-32 |
| 10 | Pain | 35-45 |
| 11 | Complications | 31-41 |
| 12 | Activity | 15-25 |
| 13 | Nutrition | 3-9 |
| 14 | Psychosocial | 3-9 |
Pain carries the largest task range, so a candidate who is shaky on pain assessment and management is exposed across many conditions at once. A full walkthrough of all fourteen headings is in our ONC exam domains guide.
Where Candidates Tend to Lose Points
ONCB does not publish per-domain pass or fail data, so we cannot tell you which domain has the lowest average score. What we can do is reason from the blueprint about where exposure is greatest.
- Underestimating the big categories. With 51 items on Degenerative Disorders, a weak foundation there is the single costliest gap. A strong showing in the small categories cannot offset it.
- Neglecting the small categories entirely. Metabolic Bone Disorders (12), Congenital/Pediatric (7), Tumors (7), and Neuromuscular (6) together account for 32 scored items. Skipping them because they are small can cost enough items to matter against a 97-item threshold.
- Treating Pain as generic. The task range of 35-45 means pain management in orthopaedic contexts, including post-surgical and post-trauma situations, deserves dedicated review rather than a general nursing refresher.
- Time pressure. 150 items in three hours leaves roughly 72 seconds per question on average, with breaks counting against the exam clock. Pacing is a real factor for candidates who reread long clinical scenarios.
The Eligibility Filter That Shapes the Candidate Pool
One reason the ONC pass rate may differ from a broad nursing exam is that candidates are pre-screened. You cannot simply register; you must demonstrate real orthopaedic practice. Per ONCB's eligibility page, you need:
- Current unrestricted RN licensure, or the board's specified foreign first-level nurse or equivalency route
- Two full years of RN experience
- At least 1,000 orthopaedic RN practice hours in the previous three years
- Immediate-supervisor verification, signed within 180 days of application
A BSN is not required. This matters for interpreting pass data: the pool is made up of working orthopaedic nurses, yet the published rate was still 58% in 2020. That suggests experience alone does not guarantee a pass, and that the exam rewards structured review against the blueprint. Full details are in our ONC requirements guide.
Retakes, Fees, and the 90-Day Gap
Given that roughly four in ten examinees did not pass in 2020, understanding the retake rules is practical, not pessimistic.
| Item | Eligible Member | Non-Member |
|---|---|---|
| Initial exam fee | US$325 | US$450 |
| Ordinary retake fee | US$275 | US$400 |
Member pricing applies to full NAON, AANP, NOVA, or CONA members. Student and associate memberships do not qualify, and the qualifying membership must remain active through the examination. Applications run through ONCB LearningBuilder, and testing is delivered through Meazure Learning, either at a computer center or via live remote proctoring, with delivery described for the U.S., Puerto Rico, and Canada.
After a failed attempt, ordinary retesting requires at least 90 days between examinations. Be careful not to conflate timing rules: the handbook describes a 366-day eligibility period for an initial application and separate 90-day provisions covering completion, scheduling, and refunds. These are different provisions and are not one interchangeable booking window. ONCB also runs Retest for Success under its own program terms. See our ONC certification cost breakdown for the pricing picture and our exam dates guide for scheduling logistics.
Key Takeaway
Because a failed attempt costs US$275-US$400 to retake and forces a 90-day wait, it is cheaper and faster to invest in a blueprint-driven plan before your first sitting than to treat the first attempt as a trial run.
Turning the Blueprint Into a Study Sequence
This is the one place we will offer a schedule, and it is tied directly to the item counts above rather than to generic advice. The logic: front-load the heaviest areas, then fold in the task axis, then finish with mixed scenarios that mimic the intersections.
Degenerative Disorders and Pain
- Cover Domain 1 (51 items) first; it is the largest single block.
- Pair it with Pain (35-45), since pain management recurs in nearly every degenerative and post-operative scenario.
Trauma and Complications
- Orthopedic Trauma (26 items) paired with Complications (31-41).
- Focus on recognizing early warning signs and the nursing response.
Sports, Inflammatory, Metabolic Bone
- Domains 3, 4, and 5 together account for 38 scored items.
- Add Self Care (22-32) and Activity (15-25) here.
Small Categories and Lighter Tasks
- Congenital/Pediatric, Tumors, and Neuromuscular (20 items combined).
- Nutrition and Psychosocial (3-9 each), which are small but easy to overlook.
Timed Mixed Practice
- Simulate the three-hour, 150-question format.
- Review misses by both condition and task to expose intersection weaknesses.
Timed practice is where our ONC practice tests fit best. You can also take a full-length practice exam to check pacing before test day, and keep the ONC cheat sheet handy for last-minute review. Remember the exam is closed-book, with no calculators or unauthorized references, and you must present a valid government photo ID matching your registration.
Frequently Asked Questions
There is no verified 2026 pass rate in the ONCB sources we reviewed. The most recent published figure is 58% for 2020, with 316 passes among 544 examinees, and it should not be presented as a current or first-attempt-only rate.
The current ONC Exam Description publishes a raw passing threshold of 97 out of 135 scored items. The exam contains 150 questions, but 15 are unscored pretest items, and slight form-specific cut-score differences are permitted under the board's standard-setting and equating process.
By published item count, Degenerative Disorders is the largest condition category at 51 items, and Pain has the largest task range at 35-45. Because conditions and tasks intersect, strength in both is more valuable than depth in only one.
Ordinary retesting requires at least 90 days between examinations. The retake fee is US$275 for eligible members or US$400 for non-members. Retest for Success operates under separate program terms.
Not by itself. A 58% historical figure reflects a screened pool of working orthopaedic nurses and an exam built on a published blueprint. Whether the credential pays off depends on your goals; our ROI analysis and salary guide cover that question in detail.