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Sterile Processing & Surgical Technology
Certification assessments for sterile processing, instrument handling, and surgical technology.
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Open an exam to see its format, timing, fees, eligibility, and review status.
Why people take these exams
Qualify for sterile-processing or surgical-technology work
What to compare when choosing prep
Compare role level, instrument scope, practical experience, and certification pathway
ExamQuestions & time
Certified Endoscope Reprocessor (CER)CER · HSPA
150 multiple-choice questions (125 scored, 25 unscored pretest delivered randomly)3 hours (an optional 15-minute tutorial precedes the exam; the test clock does not begin until the tutorial is ended)Certified Healthcare Leader (CHL)CHL · HSPA
150 multiple-choice questions: 125 scored (operational) plus 25 unscored (pretest) delivered randomly throughout the exam3 hours; an optional 15-minute computer tutorial precedes the exam and the test clock does not start until it endsCertified Instrument Specialist (CIS) Certification ExamCIS · HSPA
150 multiple-choice questions: 125 scored (operational) plus 25 unscored (pretest) delivered randomly throughout the exam3 hours; an optional 15-minute computer tutorial precedes the exam and the test clock does not start until it endsCertified Registered Central Service Technician (CRCST) Certification ExamCRCST · HSPA
150 multiple-choice questions: 125 scored (operational) plus 25 unscored (pretest) delivered randomly throughout the exam3 hours; an optional 15-minute computer tutorial precedes the exam and the test clock does not start until it endsCertified Surgical Technologist (CST) ExaminationCST · NBSTSA
175 multiple-choice questions: 150 scored plus 25 unscored pretest items randomly distributed throughout4 hoursWhat you'll find
Each exam page pairs checked facts — cost, format, passing score — with real test-taker discussions, videos, and write-ups about that exact exam.