Certified Surgical Technologists (CST) Exam Prep

Introduction to the Certified Surgical Technologist (CST) Exam

The Certified Surgical Technologist (CST) exam, administered by the National Board of Surgical Technology and Surgical Assisting (NBSTSA), is the gold standard for surgical technology professionals. This certification validates your clinical competence and ensures you meet the rigorous standards required to work in high-stakes healthcare environments.


2026 Exam Overview

The CST exam is a computer-based assessment consisting of 175 questions. Of these, 150 are scored, and 25 are unscored pretest items used for future exam development. Candidates have 4 hours to complete the examination.

Exam Content Distribution

According to the latest 2026 NBSTSA blueprint, the exam is weighted as follows:

  • Perioperative Care (97 items): Preoperative preparation (19), Intraoperative procedures (68), and Postoperative care (10).
  • Ancillary Duties (23 items): Administrative and personnel (7), and Equipment sterilization and maintenance (16).
  • Basic Science (30 items): Anatomy and Physiology (18), Microbiology (6), and Surgical Pharmacology (6).

Passing Score: To achieve certification, candidates must correctly answer at least 102 out of the 150 scored questions.


Eligibility Requirements

To qualify for the CST examination, you must satisfy one of the following criteria:

  • Accredited Program Graduate: Graduation from a surgical technology program accredited by CAAHEP or ABHES.
  • Military Training: Completion of a formal military surgical technology program (requires DD214 or graduation certificate).
  • Recertification: Currently or previously holding a valid CST credential.

Current 2026 Exam Fees

Candidate Category Standard Fee
AST Members $190
Non-Members $290

Pro Tip: Becoming an AST member before registering can save you significant costs on the exam and renewal fees.


Recommended Study Resources (2026 Editions)

The NBSTSA utilizes specific references to develop exam questions. Ensure you are using the most current editions:


Next Steps

Success on the CST exam requires a blend of clinical experience and dedicated study. By enrolling in the Coy Academy CST Exam Prep Course, you gain access to structured modules designed to mirror these actual exam weightings. Let’s get started on your path to certification!

Disclaimer: This information is current as of 2026. Please verify any last-minute changes on the NBSTSA and AST websites.