Take the lead on your exam prep journey with the CDI Study Guide and Study Guide Companion!
CDI Exam Study Guide
Developed by the National Board of Public Health Examiners (NBPHE), the CDI Study Guide offers a clear, structured breakdown of the six exam domains. It is designed to help you focus on essential topics, stay organized, and boost your confidence. Available in English and Spanish.
CDI Exam Study Guide Companion: Interactive Knowledge Check
Not sure where to start? The interactive Knowledge Check will help you pinpoint areas to focus on, reinforce knowledge and skills, and strengthen decision-making through CDI exam-relevant scenarios.
CDI Exam Review Series
Previously recorded sessions from the Summer 2026, 6-part virtual exam review series led by disease intervention professionals with expertise in each of the six exam domains. The sessions reinforce the material outlined in the CDI Exam Study Guide.
