The Certified Nursing Assistant (CNA) is a frontline healthcare provider who works under the supervision of a licensed nurse, delivering basic care to patients in long-term facilities, hospitals, and homes. The path to becoming certified typically involves completing a lengthy training program, but for individuals who already possess substantial medical knowledge, an alternative route exists. This non-traditional method, known as the challenge exam, allows pre-qualified candidates to bypass the mandatory classroom and clinical instruction. Using this option requires meeting highly specific eligibility requirements based on prior education or professional experience, which vary significantly by state.
What It Means to Challenge the Exam
Challenging the CNA exam is a formal process that recognizes an applicant’s existing knowledge and skills, granting them permission to test directly for state certification. This pathway waives the state-mandated training program, formally known as the Nurse Aide Training and Competency Evaluation Program (NATCEP). Federal regulation requires NATCEPs to consist of no less than 75 hours, including at least 16 hours of supervised practical training.
Upon approval, the individual proceeds straight to the competency evaluation, which consists of both a written or oral knowledge test and a hands-on skills demonstration. Successfully passing both components results in placement on the state’s official Nurse Aide Registry, which is required for employment in certified facilities.
Who Is Eligible to Challenge the CNA Exam?
Current or Former Nursing Students
Students currently enrolled in or recently completed a Registered Nurse (RN) or Licensed Practical Nurse (LPN) program are frequently eligible to challenge the CNA exam. Eligibility often hinges on the successful completion of specific foundational coursework, such as a “Fundamentals of Nursing” class. An official, sealed transcript must typically be submitted to the state’s Nurse Aide Registry to verify that the required clinical hours and course content were completed.
Out-of-State CNAs
A common pathway for challenging the exam is through reciprocity, designed for a CNA who is currently certified and in good standing in another U.S. state. While the individual is usually not required to re-take the full exam, they must often apply for endorsement and may need to pass a state-specific written test or skills evaluation. The core requirement for this group is providing proof of their active status on the original state’s registry, often alongside documentation of recent paid work experience as a nurse aide.
Individuals with Lapsed Certification
A CNA whose certification has expired may be eligible to challenge the competency exam rather than repeating the entire training course. States typically impose a time limit, such as requiring the certification to have lapsed within the past 24 months, for a candidate to qualify for retesting. If the certification has been expired for a longer duration, the applicant is often required to complete a new state-approved training program before being allowed to retest.
Military Medics and Health Personnel
Veterans and active-duty service members who received medical training in the U.S. Military are often granted eligibility to challenge the exam. This pathway recognizes the intensive training and experience of roles such as Army Health Care Specialist (68W), Navy Hospital Corpsman (HM), or Air Force Basic Medical Technician Corpsman (BMTCP). Applicants must submit official documentation, such as their discharge papers (DD-214) or service records, to demonstrate that their military medical education is equivalent to the state’s nurse aide training curriculum.
Foreign Nurses and Healthcare Professionals
Individuals who completed a nursing program or other medical training outside of the U.S. may qualify to challenge the CNA exam after a thorough review of their credentials. This process often requires the applicant to submit official transcripts and course descriptions, which must frequently be translated and evaluated by a credentialing service to confirm curriculum equivalency. Foreign-trained nurses are generally required to seek explicit approval from the state’s Department of Health or Board of Nursing before they can register for the competency evaluation.
Key State Requirements and Regulations
CNA requirements are not uniform across the country, as they are primarily governed by each state’s Nurse Aide Registry or Board of Nursing. States have the autonomy to set training standards that exceed the federal minimum requirement of 75 hours of instruction. Some states require programs of 100 hours or more, while others have mandated up to 180 hours of combined classroom and clinical training.
Eligibility to challenge the exam is determined by the specific rules of the state where the individual intends to work. State regulations dictate precise details, such as the exact number of clinical hours required for a waiver, the specific fees for the evaluation, and the time window for passing the exam. Candidates must check the official website of the specific state’s Nurse Aide Registry to confirm the precise, locally enforced criteria.
The Application and Documentation Process
The first step for an eligible challenger is to locate the official testing vendor contracted by the state, such as Prometric, Headmaster, or Pearson VUE. Candidates must submit a formal application package directly to the state’s regulatory body or the designated vendor, explaining the basis of their eligibility. This application verifies that the applicant meets one of the waiver categories for bypassing mandatory training.
The submission requires supporting documents that provide verifiable proof of prior training or experience. This includes official transcripts for nursing students, DD-214 for military personnel, and proof of active registry status for out-of-state CNAs. Candidates must also pay the required examination fees and successfully complete a mandatory criminal background check or fingerprinting.
Once the application is approved, the candidate is granted an eligibility window to schedule the two-part competency exam. This involves registering for the written or oral knowledge test and the practical skills demonstration. Timely submission of accurate documents is important, as missing information can significantly delay the approval process.
If You Must Take Approved Training
For individuals who determine they do not meet the strict criteria to challenge the exam, the standard path to certification remains mandatory. This involves enrolling in a state-approved Nurse Aide Training and Competency Evaluation Program (NATCEP). These programs typically include a combination of classroom theory and supervised clinical practice, with a minimum length of 75 total hours. Completing a NATCEP ensures the candidate receives the foundational training necessary to provide safe and effective patient care as a certified professional.

