CDI Eligibility Requirements

Certifications provide assurance of an individual’s competency to do their job.

The first step in preparing for the Certified in Disease Intervention (CDI) exam is to determine your eligibility.
 
Be sure to review the full list of eligibility requirements below.

You can also use our Eligibility Checker to help you determine if you’re currently eligible.

Eligibility Requirements โ€“ U.S. Only

The CDI pilot project is supported by the CDC through funding opportunity CDC-RFA-CK20-2003 subawarded by ASPPH to NBPHE and runs through September 29, 2026. During the pilot phase of this project, only U.S. citizens or lawful permanent residents currently residing in the United States or U.S. territories, or on a U.S. military installation are eligible to take the exam. 

Eligibility may be revised after September 30, 2026. Disease intervention professionals who do not meet this eligibility criteria are encouraged to check back at that time.

NBPHE has developed requirements for eligibility to ensure that the application process is fair and impartial for all applicants. Each eligibility requirement has been established to ensure that individuals certified by NBPHE have an acceptable level of knowledge and proficiency needed to provide services expected of a CDI. Candidates must meet the following eligibility criteria:


To sit for the CDI Certification exam, an individual must have at least one year of experience as a disease intervention professional.

Activities that qualify as disease intervention experience for the purposes of the CDI include: 

  • Performing case investigation interviews with people diagnosed with reportable infectious diseases for the purposes of identifying risk factors, eliciting contacts, and referring for appropriate services.
  • Collecting enhanced surveillance data through case investigations.
  • Contact tracing to identify, locate, notify, and refer people exposed to an infectious disease.
  • Conducting field investigations to locate people diagnosed with or exposed to an infectious disease for interview or notification.
  • Providing field-based testing and treatment services for reportable infectious diseases.
  • Conducting community outreach to provide infectious disease testing and treatment services in community settings.
  • Collaborating with medical providers for the management confirmed or suspected cases of infectious disease.
  • Conducting emergency preparedness activities for infectious disease prevention and control.


In addition to one year of disease intervention experience as defined above, candidates must complete a combination of education and other applicable experiences in community or health outreach as outlined below:

HIGH SCHOOL DIPLOMA/GED

+

Two years of applicable community experiences in counseling or health outreach.

ASSOCIATE DEGREE

+

One year of applicable community experience in counseling or health outreach.

BACHELORโ€™S DEGREE OR HIGHER

 

No additional work experience required.

 


To verify eligibility candidates must submit the following documentation with their application:

HIGH SCHOOL DIPLOMA/GED

Copy of their student HS Diploma/GED certificate OR a letter from the school/institution indicating when and where they graduated/received their diploma/certificate.

Candidate must submit a resume that includes location and dates of employment for the relevant disease intervention and counseling or health outreach roles.

ASSOCIATE DEGREE

Candidate must submit a copy of the student transcript (official or unofficial) showing the degree conferral and date.

Candidate must submit a resume that includes location and dates of employment for the relevant disease intervention and counseling or health outreach roles.

BACHELORโ€™S DEGREE OR HIGHER

Candidate must submit a copy of the student transcript (official or unofficial) showing the degree conferral and date.

Candidate must submit a resume that includes location and dates of employment for the relevant disease intervention role(s).

 



This project is supported by the Centers for Disease Control and Prevention (CDC) under Cooperative Agreement No. NU50CK000612 awarded to the Association of Schools and Programs of Public Health (ASPPH) and subawarded to the National Board of Public Health Examiners (NBPHE) under funding opportunity CDCโ€‘RFAโ€‘CK20โ€‘2003. The contents are those of the author(s) and do not necessarily represent the official views of, nor an endorsement by, CDC/HHS or the U.S. Government.

Thanks to our CDI volunteers, funders, and strategic partners in supporting the development of the Certified in Disease Intervention (CDI) Certification Program.

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