- What Board Certification in Orthopedic Surgery Actually Is
- Who Certifies It: ABPS and the BCOS
- The Two-Part Examination
- The Content Map: 15 Domains
- Eligibility: Who Can Sit for the Exams
- Fees and Registration Mechanics
- Dates and the 2026 Calendar
- Sequencing Your Preparation by Domain
- Keeping the Credential: The Eight-Year Cycle
- Who Cares About the Credential
- Frequently Asked Questions
- This credential is Board Certification in Orthopedic Surgery, granted through ABPS and its Board of Certification in Orthopedic Surgery (BCOS).
- The initial written exam is 200 four-option single-best-answer questions in 4 hours; the oral exam is 4 cases in 2 hours.
- Joint Reconstruction/Replacement (13%), Sports Medicine (11%) and Fractures/Bone Healing/Grafting (10%) carry the largest written weights.
- Oral eligibility requires a written pass, 18 consecutive months of privileges at one qualifying institution, and a 12-month procedure log.
What Board Certification in Orthopedic Surgery Actually Is
When people search "what is a Orthopedic Surgery," they are usually asking one of two things: what the specialty is, or what the certification is. This article covers the second. Board Certification in Orthopedic Surgery is a credential that documents a surgeon's knowledge and judgment in the diagnosis and treatment of musculoskeletal conditions, earned by passing a written examination and a separate oral examination and by meeting documented training and practice requirements.
A note on terminology: "Orthopedic Surgery" is the label this site uses to identify the credential. It is not an official acronym published by the certifying body. If you want the broader vocabulary context, our explainers on what Orthopedic Surgery certification is and what Orthopedic Surgery stands for unpack the naming question, and the Orthopedic Surgery certification overview offers a wider orientation.
Who Certifies It: ABPS and the BCOS
The credential is administered by ABPS through the Board of Certification in Orthopedic Surgery (BCOS). That chain matters for practical reasons. Your application, exam registration, eligibility documents, fee payments and eventual renewal all run through this body, so every deadline and form you rely on should come from its published materials rather than from a colleague's memory of a different board's process.
The Two-Part Examination
Certification requires clearing two distinct assessments. They test different skills and call for different preparation.
| Feature | Written Examination | Oral Examination |
|---|---|---|
| Format | 200 four-option single-best-answer questions | 4 cases discussed with examiners |
| Time | 4 hours | 2 hours |
| Delivery | ABPS-arranged computer-based testing | 2026 oral testing by Zoom |
| Standard setting | Modified Angoff | Aggregate must meet case thresholds |
| Sequence | Taken first | Requires a written pass |
The written exam
Single-best-answer items reward discrimination between plausible options. In orthopedics, that usually means choosing between two reasonable treatments and identifying which one fits the stated age, activity level, fracture pattern, comorbidity or imaging finding. The passing standard is set with a modified Angoff method, in which subject-matter experts judge how a minimally competent candidate would perform on each item. That means your goal is not to beat other candidates but to meet a content-defined bar. For more on how that bar is framed, see our guide to the Orthopedic Surgery passing score.
Whether the written exam is open-book, permits calculators, is adaptive, or can be taken at home has not been verified here, so confirm those rules directly with ABPS rather than assuming.
The oral exam
The oral portion is four cases in two hours, delivered by Zoom in 2026. Scoring is aggregate-based: your overall performance has to meet case thresholds. Practically, this is a test of how you reason aloud: how you take a history, interpret imaging, commit to a plan, anticipate complications and justify your choices. Surgeons who are strong at test-taking but rarely verbalize their decision-making often underestimate this step.
To gauge overall difficulty across both parts, read how hard the Orthopedic Surgery exam really is.
The Content Map: 15 Domains
The initial written outline divides content into 15 areas with approximate weights totaling 100%. The outline is undated, so treat the percentages as guides rather than guarantees. The full breakdown, with notes on how each area is tested, appears in our complete guide to all 15 Orthopedic Surgery content areas.
| Domain | Approx. Weight |
|---|---|
| Joint Reconstruction/Replacement | 13% |
| Sports Medicine | 11% |
| Fractures/Bone Healing/Grafting | 10% |
| Orthopedic Radiology and Imaging | 8% |
| Bone and Soft Tissue Infections | 7% |
| Joint Injuries | 7% |
| Neurology and Spinal Disorders | 7% |
| Arthritis and Connective Tissue Disorders | 7% |
| Pediatric Orthopedics | 6% |
| Soft Tissue Physiology and Repair | 6% |
| Ortho Medical and Traumatic Problems | 5% |
| Rehabilitation | 4% |
| Biomaterials/Biomechanics | 4% |
| Principles of Orthopedic Practice, Ethics, Epidemiology | 3% |
| Orthopedic Pathology | 2% |
Joint Reconstruction/Replacement (13%)
The heaviest domain. Expect questions that ask you to choose between treatment options and to recognize complications.
- Indications and alternatives for arthroplasty versus joint-preserving options
- Implant and fixation considerations that connect to Biomaterials/Biomechanics
- Recognizing and managing postoperative problems, including infection overlap with the Bone and Soft Tissue Infections domain
Sports Medicine (11%)
Second-largest area, and tightly linked to Joint Injuries (7%) and Soft Tissue Physiology and Repair (6%).
- Ligament, meniscal, cartilage and tendon injury patterns
- Return-to-activity decisions, which pull in Rehabilitation (4%)
- Healing biology behind repair versus reconstruction choices
Fractures/Bone Healing/Grafting (10%)
Third-largest and a natural bridge to Ortho Medical and Traumatic Problems (5%) and Orthopedic Radiology and Imaging (8%).
- Fracture classification and treatment selection
- Healing physiology, nonunion considerations and graft options
- Imaging interpretation that drives the treatment decision
Eligibility: Who Can Sit for the Exams
Eligibility is document-heavy. Core requirements include:
- A qualifying MD or DO degree
- An unrestricted license
- Accepted orthopedic training, or the documented four-year faculty route for those who qualify that way
- References and verification documents
The oral examination adds its own gate: a written pass, 18 consecutive months of privileges at one qualifying institution, and a 12-month log of at least 100 primary-surgeon procedures.
Fees and Registration Mechanics
The fee structure is staged, with timely and late rates for the application and the written exam.
| Item | Timely | Late |
|---|---|---|
| Application | $500 | $995 |
| Written exam | $1,200 | $1,450 |
| Oral exam | $1,600 | n/a |
The ordinary initial total, calculated from the timely fees, is $3,300. Retake costs differ by part: a written retake is $800, while an oral retake requires the full oral fee. After initial certification, an annual Certification Management Fee of $895 applies.
Missing a deadline can add real cost. Late application and late written-exam fees together add more than $700 over the timely rates. For a full line-by-line view, see the Orthopedic Surgery certification cost breakdown, and for a return-on-investment framing, is the certification worth it.
Dates and the 2026 Calendar
For 2026, the written exam window runs May 1-21, and the oral exam dates are November 6-7. The written outline was last reviewed September 29, 2026, which is worth noting when you compare study materials against the current blueprint. Because the oral exam requires a written pass first, your written-exam attempt effectively sets the earliest oral timeline. Full scheduling detail lives in our exam dates and deadlines guide.
Sequencing Your Preparation by Domain
A domain-driven schedule works better than reading front to back. The order below follows how the content areas depend on one another. For a fuller plan, see the Orthopedic Surgery study guide.
Foundations that support everything else
- Biomaterials/Biomechanics and Orthopedic Radiology and Imaging, since both feed nearly every other domain
- Soft Tissue Physiology and Repair, which underlies tendon, ligament and cartilage questions
The heavyweights
- Joint Reconstruction/Replacement (13%), paired with Bone and Soft Tissue Infections
- Sports Medicine (11%) and Joint Injuries, studied together
- Fractures/Bone Healing/Grafting (10%)
Breadth and gaps
- Pediatric Orthopedics, Neurology and Spinal Disorders, Arthritis and Connective Tissue Disorders
- Rehabilitation, Ortho Medical and Traumatic Problems, Pathology, and Ethics/Epidemiology
Oral rehearsal
- Talk through full cases out loud, including imaging interpretation, plan, and complications
- Practice under a 30-minute-per-case pace to mirror four cases in two hours
Doing practice questions throughout, rather than saving them for the end, helps you see how single-best-answer items are phrased. You can drill by domain on our Orthopedic Surgery practice test, and the one-page cheat sheet is useful for last-week review.
Keeping the Credential: The Eight-Year Cycle
Certification lasts eight years. Renewal requires:
- 400 Category 1 CME credits, including 200 orthopedic credits
- Four approved ethics CME credits
- A current license
- A recertification exam of 100 questions in 2 hours
The recertification blueprint shifts emphasis: Orthopedic Pathology is weighted at 3% and Orthopedic Radiology and Imaging at 7%, compared with their initial-outline weights of 2% and 8%. Plan CME across the cycle rather than compressing it into the final year.
Who Cares About the Credential
Board certification is a signal used by hospitals, group practices and credentialing committees when evaluating surgeons for privileges and employment. It also matters to patients and referring physicians who look for documented competence. Open positions are covered in our look at Orthopedic Surgery jobs, and compensation context appears in the salary guide. For population-level outcomes, see what the data shows about the Orthopedic Surgery pass rate. If you landed here looking for the specialty itself rather than the credential, start with what orthopedic surgery is.
Key Takeaway
Treat this as two exams with one shared content base. Build knowledge through the weighted domains for the written test, then convert that knowledge into spoken, case-based reasoning for the oral test.
Frequently Asked Questions
It is a credential granted through ABPS and its Board of Certification in Orthopedic Surgery (BCOS) after a candidate meets eligibility requirements and passes a written examination and a separate oral examination.
It contains 200 four-option single-best-answer questions to be completed in 4 hours, with content drawn from 15 weighted domains such as Joint Reconstruction/Replacement and Sports Medicine.
It consists of 4 cases in 2 hours. For 2026 it is delivered by Zoom, and your aggregate performance must meet case thresholds.
The ordinary initial total is $3,300 at timely rates: $500 application, $1,200 written, and $1,600 oral. Late fees are higher, and an annual $895 Certification Management Fee applies after certification.
Certification lasts eight years. Renewal requires 400 Category 1 CME (200 orthopedic), four approved ethics CME, a current license, and a 100-question, 2-hour recertification exam.