# CRCST Prep

> CRCST Prep is a mobile study app for the HSPA Certified Registered Central Service Technician (CRCST) exam: 900+ exam-style practice questions, 150-question mock exams, flashcards and an AI tutor that explains every answer.

CRCST Prep is an independent mobile app (iOS and Android) for candidates preparing for the CRCST (Certified Registered Central Service Technician) certification exam administered by the Healthcare Sterile Processing Association (HSPA). It is not affiliated with HSPA.

CRCST Prep is part of Exam321.com (https://exam321.com), a family of mobile apps providing a wide variety of exam preps.

## Key facts

- Practice questions: 901, grouped by the seven HSPA content domains, each with a written explanation and a difficulty rating
- Mock exams: full-length, 150 questions, timed, scored by domain (CRCST Prep Pro)
- Flashcards: 60 key sterile processing terms
- AI tutor: explains why each answer is right or wrong, with follow-up questions
- Also: daily quiz and streaks, Survival and Infinite quiz modes, saved questions and flashcards, a searchable question cheatsheet, performance by domain, exam-date countdown
- Price: free to download; first quizzes free; CRCST Prep Pro in-app purchase unlocks unlimited access
- Pass Guarantee Program: Premium subscribers who used the app for at least 14 days before the exam, did not pass, and email within 14 days of receiving their result get 3 more months of Premium free; repeatable until they pass (terms: https://passcrcstexam.com/pass-guarantee; full policy: https://www.znosnie.com/pass-guarantee-policy)
- iOS: https://apps.apple.com/us/app/crcst-exam-practice-test-2026/id6793446774
- Android: https://play.google.com/store/apps/details?id=com.flown.QuizCRCST
- Contact: contact@znosnie.com

## Question bank by content domain

The app's practice topics are the seven sections of HSPA's CRCST content outline (revised November 2023), with each section's weight on the exam:

- Departmental Considerations (15% of the exam): 214 questions — Work-area environment, dress code and traffic control, regulations and standards, record keeping and quality assurance.
- Cleaning, Decontamination and Disinfection (21% of the exam): 175 questions — Point-of-use care, PPE, manual and mechanical cleaning, water quality, washer testing and the Spaulding levels of disinfection.
- Preparation and Packaging (21% of the exam): 154 questions — Instrument inspection and function testing, set assembly, chemical indicators, wraps, peel pouches, rigid containers and labeling.
- Sterilization Process (21% of the exam): 155 questions — Steam, ethylene oxide, hydrogen peroxide and dry heat; loading, cycle parameters, Bowie-Dick tests, biological indicators and recalls.
- Sterile Storage, Transport and Inventory Management (9% of the exam): 76 questions — Event-related sterility, storage conditions, handling, transport of clean and soiled items, par levels and stock rotation.
- Patient Care Equipment and Distribution (5% of the exam): 53 questions — Reprocessing and tracking patient care equipment, endoscopes, case carts, exchange carts and loaner instrumentation.
- Professional Development and Human Relation Skills (8% of the exam): 74 questions — Communication, teamwork, customer service, ethics, safety culture and keeping your certification current.

## About the CRCST exam

- Credential: CRCST, Certified Registered Central Service Technician
- Awarded by: Healthcare Sterile Processing Association (HSPA)
- Format: 150 multiple-choice questions, 125 of them scored
- Time allowed: 3 hours
- Delivery: Computer-based, at a Prometric testing center
- Experience: 400 hands-on hours in sterile processing, before or within 6 months after the exam
- Exam fee: $140 (HSPA Certification Handbook, revised January 2026)
- Language: English only
- Passing: HSPA sets the passing point with a criterion-referenced method (Angoff procedure) and decides pass/fail on the number of scored questions answered correctly; it does not publish a fixed percentage
- Recertification: annually, with 12 CE credits per year and a renewal fee
- Official source: https://myhspa.org/certification/certification-overview/certified-registered-central-service-technician-crcst/
- Content outline: https://myhspa.org/wp-content/uploads/2024/01/HSPA_CRCST_Content_Outline_2023.Revision.pdf
- Certification handbook: https://myhspa.org/wp-content/uploads/2024/01/2024-Certification-Handbook.pdf

## Pages

- [Home](https://passcrcstexam.com/): app overview, exam overview, question bank by practice topic, features, FAQ
- [Blog](https://passcrcstexam.com/blog): CRCST exam study notes and plans
- [Tools](https://passcrcstexam.com/tools): free sterile processing tools — steam sterilization cycle times, sterilization indicators guide, Spaulding classification, sterile package check, bleach dilution, CRCST practice test
- [Contact](https://passcrcstexam.com/contact): support, question corrections, partnerships
- [Pass Guarantee Program](https://passcrcstexam.com/pass-guarantee): terms for the 3-month Premium extension after a failed exam


## Free tools

- [Steam sterilization cycle times](https://passcrcstexam.com/tools/steam-sterilization-cycle-times): Look up minimum steam sterilization exposure and drying times for gravity and prevacuum sterilizers, plus immediate-use (IUSS) cycles, from CDC tables.
- [Sterilization indicators guide](https://passcrcstexam.com/tools/sterilization-indicators): Chemical indicator types 1–6, biological indicators and the Bowie-Dick test: what each one shows, where it goes and how often CDC says to use it.
- [Spaulding classification](https://passcrcstexam.com/tools/spaulding-classification): Spaulding classification explained with an interactive picker: critical, semicritical and noncritical items, the reprocessing each needs, and CDC examples.
- [Is it still sterile? Package check](https://passcrcstexam.com/tools/sterile-package-check): Check a sterile package against the events that compromise it (tears, moisture, broken seals, drops) and the CDC storage clearances from floor, ceiling and walls.
- [Bleach dilution calculator](https://passcrcstexam.com/tools/bleach-dilution-calculator): Work out how much bleach and water you need for a target ppm of available chlorine, with 1:10, 1:100 and 5,000 ppm presets from CDC guidance.
- [Free CRCST practice test](https://passcrcstexam.com/tools/crcst-practice-test): Take a free 15-question CRCST practice test covering all seven HSPA content domains. Instant scoring and an explanation for every answer. No sign-up needed.

## Languages

The home and contact pages are available in 32 languages (the blog is English-only):

- [English](https://passcrcstexam.com/) (en)
- [Español](https://passcrcstexam.com/es) (es)
- [Deutsch](https://passcrcstexam.com/de) (de)
- [Français](https://passcrcstexam.com/fr) (fr)
- [Português (Brasil)](https://passcrcstexam.com/pt-br) (pt-BR)
- [日本語](https://passcrcstexam.com/ja) (ja)
- [简体中文](https://passcrcstexam.com/zh) (zh-Hans)
- [العربية](https://passcrcstexam.com/ar) (ar)
- [हिन्दी](https://passcrcstexam.com/hi) (hi)
- [Bahasa Indonesia](https://passcrcstexam.com/id) (id)
- [Italiano](https://passcrcstexam.com/it) (it)
- [한국어](https://passcrcstexam.com/ko) (ko)
- [Nederlands](https://passcrcstexam.com/nl) (nl)
- [Polski](https://passcrcstexam.com/pl) (pl)
- [Русский](https://passcrcstexam.com/ru) (ru)
- [Svenska](https://passcrcstexam.com/sv) (sv)
- [ไทย](https://passcrcstexam.com/th) (th)
- [Türkçe](https://passcrcstexam.com/tr) (tr)
- [Tiếng Việt](https://passcrcstexam.com/vi) (vi)
- [繁體中文](https://passcrcstexam.com/zh-hant) (zh-Hant)
- [Українська](https://passcrcstexam.com/uk) (uk)
- [עברית](https://passcrcstexam.com/he) (he)
- [Čeština](https://passcrcstexam.com/cs) (cs)
- [Suomi](https://passcrcstexam.com/fi) (fi)
- [Slovenčina](https://passcrcstexam.com/sk) (sk)
- [Català](https://passcrcstexam.com/ca) (ca)
- [Hrvatski](https://passcrcstexam.com/hr) (hr)
- [Dansk](https://passcrcstexam.com/da) (da)
- [Magyar](https://passcrcstexam.com/hu) (hu)
- [Português (Portugal)](https://passcrcstexam.com/pt-pt) (pt-PT)
- [Ελληνικά](https://passcrcstexam.com/el) (el)
- [Română](https://passcrcstexam.com/ro) (ro)

## FAQ

### What is the HSPA CRCST exam?

The CRCST (Certified Registered Central Service Technician) exam is the certification exam for sterile processing technicians, administered by the Healthcare Sterile Processing Association (HSPA). Full certification also requires 400 hours of hands-on experience in a sterile processing department.

### How many questions are on the CRCST exam?

The CRCST exam has 150 multiple-choice questions, of which 125 are scored and 25 are unscored pretest items. Candidates have 3 hours to complete it at a Prometric testing center. Always confirm current details in the HSPA certification handbook.

### What is CRCST Prep?

CRCST Prep is a mobile app for iOS and Android built only for the CRCST exam. It includes 901 exam-style practice questions organized by the seven HSPA content domains, full-length 150-question timed mock exams, 60 key-term flashcards, a daily quiz and an AI tutor that explains the reasoning behind every answer.

### How long should I study for the CRCST exam?

Many candidates plan for 6 to 12 weeks of steady preparation alongside their hands-on hours. Short daily sessions work better than cramming: CRCST Prep is designed around short daily quizzes, saved questions for review, key-term flashcards and a countdown to your exam date.

### Is CRCST Prep free?

CRCST Prep is free to download on the App Store and Google Play, and your first practice quizzes are free. CRCST Prep Pro, an in-app purchase, unlocks unlimited quizzes, the full question bank and extended AI tutor access.

### Is CRCST Prep affiliated with HSPA?

No. CRCST Prep is an independent study tool and is not affiliated with, sponsored or endorsed by HSPA (the Healthcare Sterile Processing Association). CRCST is a certification of HSPA.