- The 2026 exam fee is $135, and the test is 150 questions (125 scored) in 3 hours.
- Decontamination and Disinfection (19%) and Sterilization (18%) are the two heaviest domains - study them first.
- CBSPD reported a 48.1% pass rate in 2025, so guessing your way through is not a plan.
- You need a scaled score of 70 to pass, and books, notes, and electronics are banned from the testing room.
What Is the CSPDT and Who It's For
The Certified Sterile Processing and Distribution Technician (CSPDT) credential is issued by the Certification Board for Sterile Processing and Distribution, Inc. (CBSPD) and validates the skills sterile processing technicians use every shift: decontaminating instruments, assembling trays, running sterilizers, and moving sterile inventory through a hospital or surgery center supply chain. Employers hiring for central sterile departments, endoscopy reprocessing units, and surgical distribution roles frequently list CSPDT as a preferred or required credential on job postings.
If you're still confirming basic terminology before diving into logistics, start with What Is CSPDT?, CSPDT Meaning, or What Does CSPDT Stand For?. This cheat sheet assumes you already know the basics and just need every hard number in one scannable place - fee, format, domains, and rules - pulled together so you're not hunting through multiple pages the night before your test.
Exam Format at a Glance
The CSPDT exam is a computer-based test administered by PSI Services during four scheduled one-week testing windows each year. Knowing the shape of the test before you sit down changes how you pace yourself.
- Total questions: 150 multiple-choice items
- Scored items: 125
- Unscored pretest items: 25 (mixed in, not separately labeled)
- Time limit: 3 hours
- Passing score: a scaled 70
- Delivery: computer-based, via PSI Services
That works out to roughly 1.2 minutes per question if you use the full three hours evenly - but domain difficulty isn't uniform, so budget more time for the heavier, scenario-based questions in Decontamination and Sterilization and move faster through recall-based Ethics or Life Science items. For a deeper breakdown of what "hard" actually means on this exam, see How Hard Is the CSPDT Exam? Complete Difficulty Guide 2026.
Key Takeaway
Because 25 of the 150 questions are unscored pretest items you can't identify during the test, treat every question as if it counts - there's no way to skip the "practice" ones.
The 8 Domains in One Table
Content weighting drives study priority. Two domains - Decontamination and Disinfection, and Sterilization - make up 37% of the exam by themselves. If your review time is limited, that's where it goes first.
| Domain | Weight |
|---|---|
| Decontamination and Disinfection | 19% |
| Sterilization | 18% |
| Preparation and Handling | 16% |
| Roles and Responsibilities | 13% |
| Sterile Storage, Inventory Management and Distribution | 11% |
| Life Science | 9% |
| Ethics | 8% |
| Patient Care Equipment | 6% |
Decontamination and Disinfection (19%)
The single largest domain. Candidates must understand cleaning verification, disinfection levels, PPE use, and the point-of-use handling that happens before instruments ever reach the decontamination sink.
- Levels of disinfection and when each applies
- Manual cleaning vs. automated washer-disinfector cycles
- PPE selection and contamination control in the decon area
Sterilization (18%)
Second-heaviest domain and closely tied to Decontamination in practice questions. Expect scenario items on cycle selection, load configuration, and monitoring.
- Steam, low-temperature, and other sterilization modalities
- Biological, chemical, and physical monitoring/indicators
- Recall procedures when a sterilization load fails
For the full breakdown of all eight domains with representative topics and study angles for each, read CSPDT Exam Domains 2026: Complete Guide to All 8 Content Areas. It's the natural companion to this cheat sheet once you're past the memorize-the-numbers stage.
Registration, Fees, and Eligibility Routes
The 2026 CSPDT exam fee is $135. Before you can register, you need to satisfy one of four eligibility routes CBSPD recognizes:
- 12 months of hands-on SPD work experience
- Completion of an SPD training course with a final grade of at least 70
- Six months of allied health experience plus six months of SPD work experience
- 12 months of SPD-related healthcare product sales or service experience
Notice that the last two routes exist specifically for people transitioning from adjacent healthcare roles or from vendor/sales positions supporting SPD departments - you don't need to have started in a hospital's sterile processing department to qualify. Full documentation requirements and how CBSPD verifies each route are covered in CSPDT Requirements 2026: Eligibility, Prerequisites & How to Qualify.
For a line-item look at what your total investment looks like once you add study materials and recertification down the road, see CSPDT Certification Cost 2026: Complete Pricing Breakdown.
Testing Day Rules
PSI test centers enforce a strict no-materials policy for the CSPDT exam. Know this before you show up so nothing gets confiscated or, worse, disqualifies your attempt:
- Books and notes: prohibited
- Calculators: prohibited
- Electronic devices: prohibited (phones, smartwatches, tablets)
- Format: computer-based, at a PSI test center
Since calculators aren't allowed, any math-adjacent questions (cycle times, dilution ratios, measurement conversions) need to be solvable with mental math or simple estimation - build that fluency during practice rather than discovering it's a problem on test day.
Pass Rate and Scoring Snapshot
CBSPD's most recent published statistics show 1,928 passes among 4,004 CSPDT examinees - a 48.1% pass rate. That number matters for calibrating your prep: this is not a rubber-stamp credential, and roughly half of candidates who sit for it don't pass on a given attempt.
To pass, you need a scaled score of 70. Scaled scoring means the raw number of correct answers isn't a 1:1 percentage - the exam accounts for item difficulty across forms. For a full explanation of how scaled scoring works and what it means for your target number of correct answers, see CSPDT Passing Score 2026: Exactly What You Need to Pass. And if you want the complete statistical picture - pass rates by route, retake data, and what it says about difficulty - read CSPDT Pass Rate 2026: What the Data Shows.
Key Takeaway
A sub-50% pass rate means passive review (just re-reading notes) is a weak strategy. Active recall against domain-weighted practice questions on our full practice test platform is the more reliable path.
One-Week Domain Priority Plan
If you only have a short runway before your testing window, sequence your review by domain weight rather than by textbook chapter order. Here's a compressed plan built around the CSPDT's actual scoring distribution:
Decontamination and Disinfection + Sterilization
- Cover the two heaviest domains (19% and 18%) first while your energy and focus are highest
- Drill cycle monitoring, disinfection levels, and load-failure recall procedures
Preparation and Handling + Roles and Responsibilities
- These two domains combine for 29% of the exam and lean on procedural knowledge
- Practice scenario questions about tray assembly, instrument handling, and department roles
Sterile Storage/Distribution, Life Science, Ethics
- Cover mid-weight and lighter domains together since they're more recall-based
- Review inventory rotation, basic microbiology terms, and professional conduct scenarios
Patient Care Equipment + Full Review
- Finish with the lightest domain (6%), then run full-length timed practice exams
- Simulate the 3-hour, no-materials testing conditions exactly
This isn't a generic study calendar - it's ordered specifically by CSPDT domain weight so your limited hours go toward the content that actually decides your score. For a longer-runway version of this plan with weekly milestones, read CSPDT Study Guide 2026: How to Pass on Your First Attempt.
Recertification Cheat Sheet
Passing the exam isn't the end of the obligation - CSPDT certification is valid for five years. To recertify, you need:
- 100 approved points accumulated through continuing education and qualifying activities
- $125 recertification fee paid to CBSPD
Start tracking approved points early in your five-year cycle rather than scrambling in year four - many continuing education activities that count toward recertification are things you're likely already doing on the job (in-services, competency reviews, professional development sessions), so the points often accumulate faster than technicians expect if they're documented consistently.
Quick Reference Checklist
Print this section, or bookmark it, as your final pre-exam sanity check:
- Fee confirmed: $135 for the 2026 exam
- Eligibility route documented (12 months SPD work, training course with 70+, split allied health/SPD experience, or 12 months SPD-related sales/service)
- Exam window scheduled with PSI Services
- 150 questions, 125 scored, 3-hour limit, scaled passing score of 70
- No books, notes, calculators, or electronic devices at the test center
- Heaviest domains reviewed last-and-hardest: Decontamination and Disinfection (19%), Sterilization (18%)
- Recertification plan noted for year five: 100 points, $125 fee
If you want to sanity-check readiness before committing to a testing window, run a few timed sets on the practice test platform and compare your domain-by-domain accuracy against the weights in the table above. Weak spots in the two largest domains deserve priority attention over polishing an already-strong Patient Care Equipment score.
Curious whether the credential pays off relative to the time and $135 investment? That analysis - plus what CSPDT-holders typically earn and what roles it opens - is covered separately in Is the CSPDT Certification Worth It? Complete ROI Analysis 2026 and CSPDT Salary Guide 2026: Complete Earnings Analysis. If you're still weighing whether to pursue formal training first, CSPDT Training and CSPDT Jobs outline what employers expect before and after certification.
FAQ
The exam has 150 multiple-choice questions - 125 scored and 25 unscored pretest items - with a 3-hour time limit.
You need a scaled passing score of 70. Scaled scoring adjusts for item difficulty, so it isn't a simple percentage of raw correct answers.
The 2026 exam fee is $135, paid to sit the PSI-administered computer-based test.
Decontamination and Disinfection (19%) and Sterilization (18%) are the two largest domains and together make up 37% of the exam - study these first.
No. Books, notes, calculators, and electronic devices are all prohibited at the PSI test center.