CRCST at a glance
- Questions
- 150 (125 scored, 25 pretest)
- Time
- 3 hours, plus optional 15 minute tutorial
- Scoring
- Pass or fail, criterion-referenced
- Fee
- $140
- Where
- Prometric test centers
- Retake
- Wait at least 6 weeks, $140
Why the CRCST trips people up
- Four big areas of equal weight: cleaning and decontamination, preparation and packaging, and sterilization at 21% each, plus departmental considerations at 15%.
- Many first-time candidates test before or during their hands-on hours, under provisional rules.
- No number to aim at: HSPA reports only pass or fail.
- Volume nearly doubled from 8,289 exams in 2019 to 15,369 in 2025 while the pass share fell.
Know you're ready for the CRCST before you book your date
PassPulse is built to get you through the CRCST on your first attempt. Exam style questions on every topic, every answer explained, and a readiness score that tells you when you're ready. 15 minutes a day, on your phone.
Start preparing for the CRCSTContent outline
See what's on the CRCST for the full outline from HSPA's 2023 job task analysis.
CRCST FAQ
What is the CRCST pass rate?
HSPA reports counts, not rates. In 2025, 10,083 of 15,369 candidates passed, about 66% by our calculation.
How many questions are on the CRCST?
150: 125 scored and 25 unscored pretest questions.
How long is the CRCST exam?
3 hours, plus an optional 15 minute tutorial before the clock starts.