CST
NBSTSA Certified Surgical Technologist (CST)
The CST exam certifies surgical technologists in perioperative concepts, patient care, preoperative preparation, intraoperative procedures, and postoperative procedures.
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CST Exam Overview
| Detail | Information |
|---|---|
| Full Name | NBSTSA Certified Surgical Technologist (CST) |
| Governing Body | NBSTSA |
| Number of Questions | 175 |
| Time Limit | 4 hours |
| Passing Score | 98 of 150 scored items correct |
| Exam Fee | $230 AST member / $340 non-member |
| Category | Allied Health & Medicine |
| C3RT App Available On | iPhone, iPad, and Mac |
| Official Source | NBSTSA official website ↗ |
CST Content Areas and Domains
| Domain / Content Area | Exam Weight |
|---|---|
| Perioperative Concepts and Foundations | 30% |
| Intraoperative Procedures | 42% |
| Postoperative Patient Care | 11% |
| Healthcare Sciences | 17% |
Domain weights are approximate and based on the NBSTSA content outline. Always verify at the official source before your exam.
Topics Covered
- ✓ I. Perioperative Care - 65% (97 items): Preoperative Preparation 19, Intraoperative Procedures 68, Postoperative Procedures 10
- ✓ II. Ancillary Duties - 15% (23 items): Administrative and Personnel 7, Equipment Sterilization and Maintenance 16
- ✓ III. Basic Science - 20% (30 items): Anatomy and Physiology 18, Microbiology 6, Surgical Pharmacology 6
How C3RT Helps You Pass the CST
Adaptive Practice
Questions adapt to your weak areas automatically so every study session on the CST is time well spent.
Diagnostic Mocks
Full-length mock exams timed to the real CST format with detailed score breakdowns by topic.
Mistake Bank
Every wrong answer is saved for targeted re-drill. The system resurfaces your mistakes until they stick.
Native on iOS & Mac
Built with SwiftUI, not a web wrapper. Instant load, offline support, hardware-speed rendering.
CST Frequently Asked Questions
What does CST stand for?
CST stands for NBSTSA Certified Surgical Technologist (CST). It is administered by NBSTSA.
Who administers the CST?
The NBSTSA Certified Surgical Technologist (CST) is administered by NBSTSA. For official information, visit the NBSTSA website.
How many questions is the CST?
The CST consists of 175 questions. Candidates are given 4 hours to complete the exam.
What is the passing score for the CST?
The passing score for the CST is 98 of 150 scored items correct, as set by NBSTSA. Scoring methodology and passing standards may be updated periodically. Always verify current requirements with the governing body.
How much does the CST exam cost?
The CST exam fee is $230 AST member / $340 non-member. This fee is set by NBSTSA and may vary by testing centre, region, or membership status. Additional fees for registration or rescheduling may apply.
How many questions on the CST are scored?
175 multiple-choice questions, of which 150 are scored; the 25 pretest (unscored) items are randomly distributed throughout the exam. Unscored items are used to trial future questions and are indistinguishable from scored items, so treat every question as if it counts.
How is the CST scored?
Raw passing score: 98 correct out of the 150 scored questions (NBSTSA states 'a scaled score of 98 on scored questions means you've passed'). NBSTSA reports pass/fail against this cut score; no 200-800 style scale is used. Always confirm the current standard with NBSTSA before testing.
What does the CST cost?
USD 230 for AST members / USD 340 for non-members (application processing fee of USD 60 within that amount is non-refundable) Fees are set by NBSTSA and change periodically; confirm current pricing before you register.
What should I know about the current CST exam blueprint?
Content outline reflects the 2024 CST Examination Content Outline. The 2025 Candidate Handbook itself directs candidates to nbstsa.org for the current number of correct answers required; the current published figure on nbstsa.org is 98. An older 2019 standard-setting report cited 102/150, which is superseded.
How difficult is the NBSTSA CST exam and what is the pass rate?
The NBSTSA Certified Surgical Technologist exam is considered moderately challenging. NBSTSA reports first-time pass rates for graduates of accredited programs at approximately 75–85%. The exam covers perioperative patient care, sterile technique, instrumentation, anatomy, and surgical procedures across all major specialties.
What are the eligibility requirements for the NBSTSA CST?
You must have graduated from a CAAHEP or ABHES-accredited surgical technology program (typically an associate degree or certificate program), or completed a military surgical technology program approved by NBSTSA. Documented surgical case requirements must also be met through your program's clinical training.
How long should I study for the NBSTSA CST exam?
Most candidates spend 6–10 weeks in focused preparation after completing their accredited program. NBSTSA practice exams, Surgical Technology Review by Kevin Frey, and CST study guides covering anatomy, sterile technique, and specialty procedures are the primary preparation resources.
What career value does the NBSTSA CST credential provide?
CST certification is required or preferred for surgical technologist positions in most hospital operating rooms and ambulatory surgery centers. Surgical technologists earn $50,000–$75,000+, with higher earnings in specialty environments such as cardiovascular, neurosurgery, and orthopedic OR teams. Certification significantly improves hiring competitiveness.
What is the NBSTSA CST retake policy?
After a failed attempt, candidates must wait 60 days before retesting. NBSTSA allows a limited number of retake attempts within a defined eligibility period; candidates should confirm current attempt limits and fees with NBSTSA before scheduling.
How long is the NBSTSA CST credential valid?
The CST credential is valid for four years and must be renewed through either continuing education or re-examination. NBSTSA offers a CE-based renewal path that requires accumulating approved CE credits before expiration.
What continuing education is required for NBSTSA CST renewal?
CST renewal requires 60 CE credits over the four-year certification period, or retaking and passing the CST exam. CE must be obtained through NBSTSA-approved providers and may include surgical technology conferences, workshops, and approved online modules.
How does the NBSTSA CST compare to the NBSTSA CSFA?
The CST is the entry-level surgical technologist credential for the scrub role, preparing the sterile field and passing instruments. The CSFA (Certified Surgical First Assistant) is an advanced credential for surgical technologists and others who assist surgeons directly during procedures, holding retractors, providing exposure, and supporting tissue management. CSFA requires additional education and clinical experience beyond CST and represents a significantly expanded scope of practice.
C3RT is a native iOS and macOS exam preparation platform covering the NBSTSA Certified Surgical Technologist (CST), a Allied Health & Medicine certification, administered by NBSTSA. C3RT is not affiliated with or endorsed by NBSTSA. Certification names and trademarks are the property of their respective organisations. For official exam registration, eligibility requirements, and content outlines, visit the NBSTSA official website ↗ .