Key Takeaways
- The CST exam is administered by the NBSTSA (National Board of Surgical Technology and Surgical Assisting)
- The exam contains 175 multiple-choice questions: 150 scored and 25 unscored pretest items
- You have 4 hours (240 minutes) to complete the exam
- The passing score is approximately 98 out of 150 scored questions (~65.3%)
- Exam cost is $230 for AST members or $340 for non-members per attempt
- The overall pass rate is approximately 70-75%
- Testing is available at PSI testing centers or via live remote proctoring
- Certification must be renewed every 2 years with 30 CE credits and a $40 fee
CST Certified Surgical Technologist Exam Overview
The Certified Surgical Technologist (CST) credential is the gold standard for surgical technologists in the United States. Administered by the National Board of Surgical Technology and Surgical Assisting (NBSTSA), the CST exam validates that candidates possess the knowledge and skills required to function safely and competently in the operating room.
Exam Details at a Glance
| Detail | Information |
|---|---|
| Administering Body | NBSTSA (National Board of Surgical Technology and Surgical Assisting) |
| Total Questions | 175 multiple-choice items |
| Scored Questions | 150 (25 are unscored pretest items) |
| Time Limit | 4 hours (240 minutes) |
| Passing Score | ~98/150 scored questions correct (~65.3%) |
| Exam Fee | $230 (AST members) / $340 (non-members) |
| Rush Processing | Additional $85 for 3-5 business day processing |
| Testing Vendor | PSI (Psychological Services Inc.) |
| Testing Options | PSI testing centers or live remote proctoring |
| Pass Rate | ~70-75% overall |
| Results | Available within 2-3 weeks (standard) or 3-5 days (rush) |
| Certification Renewal | Every 2 years, 30 CE credits, $40 renewal fee |
Why Become a CST?
The CST credential demonstrates your commitment to excellence in surgical technology. According to the Bureau of Labor Statistics (BLS), surgical technologists earn a median salary of $62,830/year, and the field is projected to grow 5% from 2024-2034, which is faster than average. Many hospitals and surgical centers require or prefer CST certification for employment.
How many total questions are on the CST exam?
What is the approximate passing score for the CST exam?
Which organization administers the CST exam?