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Central Service and Sterile Processing

IAHCSMM Logo 2013

IAHCSMM (International Association of Healthcare Central Service Materiel Management) is the credentialing association which provides certifications to Central Service and Sterile Processing professionals.

For over 35 years Purdue and IAHCSMM have partnered to provide training to the Central Service/Sterile Processing profession. Together, we have trained thousands throughout the United States and the world to provide safe, evidence based, education in patient care to the profession.

Receive Purdue Global credit for your active CRCST credential!


Central Service Technical Training   Enroll Now

Prepare yourself for the IAHCSMM Certified Registered Central Service Technician (CRCST) certification exam. This self-study course allows you to work through the 8th Edition of the Central Service Technical Training curriculum at your own pace. You have up to one full year to complete the course, which includes the required six Progress Tests and a Final Exam. Online course materials provide extra videos, quizzes and training to help you prepare for the IAHCSMM CRCST exam.

The IAHCSMM 8th Edition Central Service Workbook is not included in the course fees and is not required to complete the online course. All content in the workbook is included in the online course materials. If desired, select the workbook during checkout and the manual and workbook will be sent in one shipment.

Offline/correspondence course: With the purchase of the IAHCSMM 8th Edition Central Service Technical Training Workbook, you can go through the course materials without online access. However, the required final exam is only available online.

Central Service Leadership Course   Enroll Now

Prepare yourself for the IAHCSMM Certification in Healthcare Leadership (CHL) exam. This course leads central service professionals through the Central Service Leadership Manual and Workbook to prepare them for a leadership position in the central service field.

Self-Study Lessons

Certified Instrument Specialist (CIS)   Enroll Now

Certified Registered Central Service Technician (CRCST)   Enroll Now

For current CRCST professionals, six new self-study lessons are published annually by IAHCSMM to help you maintain your certification. These lessons provide ongoing education to keep you up-to-date on the latest information in central service. Each lesson features an article exploring a practical, central service-related topic and an exam. Lessons are provided free on the Purdue website and in the IAHCSMM Communique magazine and are valid for three years after the publication date.

Forms and Questions

*Installment Plan – CRCST Preparation Course

Step 1: Purchase Installment Plan (50%)

Select the Installment Plan (50%) enrollment option based on your location. We will ship your course materials as soon as your payment is processed. You are welcome to begin studying the materials upon receipt; however, we will not accept any lessons until you are officially enrolled in the course (Step 2). You have six months from the initial date of purchase to make the second installment of $210 and officially enroll in the course.

Step 2: Final Payment

The final payment of $210 is due within six months of the initial purchase. After six months, a $285 re-enrollment fee is required to complete the course. You have one year from the date of your official enrollment (final payment) to complete the course and take the final exam. All checks must be in U. S. funds and drawn on a U. S. bank for orders by mail. To make a final payment please call us at 800-830-0269.

400 Hours

To obtain your CRCST certification, 400 hours of experience in a Central Service/Sterile Processing department is required by IAHCSMM. Purdue University has partnered with College of Biomedical Equipment Technology (CBET) to provide externship opportunities at select locations. This externship provides central service, operating room, infection control, and material management employees firsthand experience at an approved healthcare facility. Please visit our CRCST Technician Externship page for more information.


Scholarship application deadline February 28, 2022.
Purdue University awards scholarships each year for the following two courses.
Central Service Technical Training (CRCST preparation)
Central Service Leadership (CHL preparation)
Download the application


100% refund within thirty (30) days if not satisfied. Does not include shipping and handling, and materials must be returned in new condition.

Shipping and Handling

Disclaimer: $40 Canada (Note: specific regions may require additional postage or shipping fees)

NOTE: Our basic UPS shipping rates DO NOT include Alaska, Hawaii, or Puerto Rico. We offer UPS Ground shipping to AK, HI, and PR. These areas require an additional shipping charge, and you must contact us for rates. If we don't hear from you, we will contact you with the actual shipping charges for approval if you are from one of these areas.

International Payments

International checks are only accepted in amounts greater than $300. Payments due to Purdue University less than $300 must be paid by credit card or checks drawn from an American Bank. For any individual in those countries who needs to purchase an extension, they will need to either call in a credit card, or use the website.


Purdue is committed to making its programs accessible to individuals with disabilities. If you require an accommodation or special assistance for this program due to a disability, please contact us at 765-496-1422 or 1-800-830-0269.


For Central Service help we can be reached at:

Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, (765) 494-4600

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