CDMS Study Guide 2026
Everything you need to pass the CDMS exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
CDMS exam key facts
- The CDMS exam is a computer-based test of 150 multiple-choice questions, 25 of which are unscored field-test items. Source
- The CDMS exam has no fixed raw passing score: The Commission sets the cut score through a standard-setting study and reports results as scaled scores across exam forms. Source
- The first CDMS certification is valid for 5 years. Source
📋 CDMS Exam Format at a Glance
📚 CDMS Topics to Study (21)
✍️ Sample CDMS Questions & Answers
1. Any diminished, missing, or lost bodily or mental function
Disability refers to any lost, absent, or impaired physical or mental function that affects a person's ability to perform daily activities and participate fully in society.
2. What is 'contact stress' as an ergonomic risk factor?
Contact stress occurs when hard surfaces or edges press on soft tissue (tendons, nerves, blood vessels), impairing circulation and increasing injury risk.
3. What does an 'experience modification factor' (EMR or e-mod) measure in workers' compensation insurance?
The EMR compares an employer's actual losses to expected losses for its industry, rewarding good safety performance with lower premiums.
4. What is subrogation in the context of workers' compensation?
Subrogation allows the workers' compensation insurer to sue a negligent third party to recover benefits already paid to the injured worker.
5. A disability management specialist determines that an injured worker cannot return to their previous occupation due to permanent restrictions. The NEXT step is to:
When the prior occupation is no longer feasible, the specialist conducts a TSA and labor market survey to identify alternative jobs consistent with the worker's restrictions and skills.
6. Under the Americans with Disabilities Act (ADA), what is a 'reasonable accommodation'?
A reasonable accommodation is any change to the work environment or job that enables a qualified employee with a disability to perform essential functions.
🎯 Free CDMS Practice Tests
📖 CDMS Guides & Articles
What Practice Test Geeks adds beyond an AI chat for CDMS
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length CDMS mock exam — 150 questions in 210 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed CDMS question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable CDMS cheat sheet you can print or save as a PDF.
- CDMS flashcards built from the same question bank.
- Free CDMS practice tests with the correct answer shown after each question.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- yourcommission.org — Registration deadline, registration, score release, test dates, exam format, passing score, retake fee, score validity, exam information · verified Oct 2026
- pearsonvue.com — Test delivery · verified Oct 2026