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Central Service and Sterile Processing


HSPA (Healthcare Sterile Processing Association) is the credentialing association which provides certifications to Central Service and Sterile Processing professionals.

For over 35 years Purdue and HSPA 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!


Sterile Processing Technical Training   Enroll Now

Prepare yourself for the HSPA Certified Registered Central Service Technician (CRCST) certification exam. This self-study course allows you to work through the 9th Edition of the Sterile Processing 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 HSPA CRCST exam.

The HSPA 9th Edition Sterile Processing 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 HSPA 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 HSPA 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 HSPA 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 HSPA Communique magazine and are valid for three years after the publication date.

Forms and Questions

400 Hours

To obtain your HSPA certification, 400-hours of on-site training in Sterile Processing is required. Purdue University is unable to directly help with this hands-on training. We recommend that you look in to where you might be able to earn these hours before enrolling in the course.


Scholarship application deadline February 26th, 2024.
Purdue University awards scholarships each year for the following two courses.
Sterile Processing Technical Training (CRCST preparation)
Central Service Leadership (CHL preparation)
More information and 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.


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