O&P Assistant

Exam Format and Availability

Each three-hour, multiple-choice exam (COA & CPA) consists of 125 items designed to measure your knowledge of patient and practice management. Knowledge assessed on the exam includes anatomy, physiology, biomechanics, kinesiology, disease process, pathologies, material science, ethics and professionalism. 

The exam is given using computer-based testing (CBT) and is offered every other month at over 600 test center locations nationwide or online with a live remote proctor. Check out the  test center locations in your area.

Check out all of the resources we have to help you prepare for your exam.

Exam Prep