Key Points
- Certificate and diploma programs are shorter, but CAAHEP and ABHES now both require an associate degree, so a certificate alone does not lead to CST eligibility.
- An associate degree takes at least two years of full-time study and is the minimum award for CAAHEP- and ABHES-accredited surgical technology programs.
- Clinical experience is built into the program: accredited programs require at least 120 surgical cases before graduation.
- The CST exam can be taken on campus before graduation or at a testing center after graduation.

Certificate Program Timeline
A certificate or diploma program covers surgical technology coursework and supervised clinical training without the general education classes that come with a degree, so it can be shorter than an associate degree. No national body publishes a standard length for certificate or diploma programs, and these programs no longer lead to the CST exam on their own.
Both accreditors NBSTSA accepts for the CST now set the associate degree as the minimum. The Accreditation Review Council on Education in Surgical Technology and Surgical Assisting (ARC/STSA) adopted an associate degree implementation policy under which CAAHEP-accredited programs must award at least an associate degree, and dual-track programs could no longer start a CAAHEP-accredited certificate or diploma cohort after August 1, 2022.
ABHES sets the same floor. Its eligibility standards state that "at a minimum, all graduates must complete the surgical technology program with an associate degree." The ARC/STSA policy also lets a program at a school that does not grant degrees form an articulation agreement with a degree-granting college, so graduates can still earn the associate degree.

Before choosing a certificate or diploma program, confirm two things in writing: whether graduates earn an associate degree, directly or through a partner college, and whether they are eligible for the CST exam. A shorter program that does not lead to CST eligibility can cost more time later.
Associate Degree Timeline
The National Center for Education Statistics defines an associate degree as an award that normally requires at least 2 but less than 4 years of full-time equivalent college work. For surgical technology, that means at least two years of full-time study.
That time combines three parts:
- General education courses that a certificate does not require
- Surgical technology coursework
- A supervised clinical rotation in working operating rooms
Where a program offers a part-time schedule, the same coursework and clinical cases spread over more terms, so the total stretches beyond two years. Because CAAHEP and ABHES both set the associate degree as the minimum, an accredited associate degree is the standard route to CST eligibility.
Clinical Hours and Externship Requirements
Clinical training is not an extra step after the program. It sits inside the program, and students cannot graduate without it. The CAAHEP Standards and Guidelines for surgical technology require students to "demonstrate procedural proficiency by completing a minimum of 120 surgical cases."
The National Board of Surgical Technology and Surgical Assisting (NBSTSA) describes the clinical experience behind the CST as 120 cases on real patients in actual operating rooms and 300 to 400 hours of operating room experience. Programs may call this block an externship or a clinical rotation.
ABHES requires its surgical technology programs to follow the current Core Curriculum for Surgical Technology from the Association of Surgical Technologists, which keeps the same 120-case requirement. Under ABHES revisions effective January 1, 2027, ABHES-accredited surgical technology programs must run at least 1,100 clock hours, including at least 500 clock hours of clinical experience.
Meeting the case and hour minimums is a requirement to finish the program. BLS notes that, in addition to classroom study, "students gain hands-on experience in supervised clinical settings."
Certification Timeline (CST through NBSTSA)
The CST credential comes from NBSTSA, and eligibility depends on where you trained. Its CST eligibility rules require graduation from a CAAHEP- or ABHES-accredited surgical technology program. The 2025 candidate handbook also lists a pathway for graduates of military surgical technology training programs.
When you test changes when you see results:
- On campus, before graduation. NBSTSA releases scores once you have completed the graduation requirement and your school has released them, and proof of graduation must reach NBSTSA within 60 days of the exam date.
- At a testing center, after graduation. Candidates testing as post-graduates who submitted their own transcripts may receive a score report on test day.
The exam itself has 175 multiple-choice questions, 150 of them scored, with four hours to finish. Testing on campus lets you sit for the exam before graduating, although scores are released only after graduation is confirmed. Once earned, the CST renews every two years, and NBSTSA requires 30 continuing education credits per cycle, including at least 4 hours of live instruction.
Certification is not universally required. BLS notes that "certification may be beneficial for finding a job, and some employers may require it," and that "some states have regulations governing the work of surgical assistants and technologists." Check your state's rules before you start work. For every step from program choice to first job, see Dreambound's guide on how to become a surgical technician.
Total Realistic Timeline
Add the pieces together and the realistic timeline is at least two years of full-time study for an accredited associate degree, with the clinical rotation and, for on-campus testers, the CST exam falling inside that window. A certificate or diploma is shorter, but on its own it does not lead to the CST.
Studying part time stretches the timeline. Candidates who test as post-graduates usually do so more than 45 days after graduation, according to NBSTSA's 2025 candidate handbook. Dreambound, a marketplace for comparing vocational training programs, lists surgical technician schools by location.
Surgical Technician Salary and Job Outlook
BLS publishes surgical technician pay under the occupation title surgical technologists (SOC 29-2055). According to May 2025 BLS data, surgical technologists earned a median annual wage of $64,650. The lowest 10 percent earned less than $45,940, and the highest 10 percent earned more than $96,940.
BLS projects employment of surgical technologists to grow 5 percent from 2025 to 2035, from 118,400 to 124,300 jobs.
Frequently Asked Questions