Age Requirements for CNA Certification in Washington

Washington's nursing assistant rules in chapter 246-841A WAC do not name a minimum age for the Nursing Assistant-Certified (NA-C) credential, and the DOH application lists training, exam, and background check requirements rather than an age. The practical age limits come from three other places: the training program's admission policy, the licensed nursing facility that hosts the 40 clinical hours, and Washington's rules on work hours for minors. The result is that most adult programs, including the 4-week CNA Traditional program at Huduma CNA Programs, admit students at 18 with a high school diploma or GED, while 16- and 17-year-olds usually reach the same credential through high school career and technical education programs. There is no upper age limit at any level.

Who sets the age limit

The pattern is that nothing in state credentialing law bars a 17-year-old from being certified, but nearly every practical gate opens at 18 unless a school program has already negotiated it.

At 16 and 17: the high school route

Washington high schools offer nursing assistant training through career and technical education (CTE) programs and skills centers, and students in Running Start can take college CNA courses. These programs meet the same 108-hour minimum (35 theory, 33 lab, 40 clinical) under WAC 246-841A-440, use licensed nurse instructors under WAC 246-841A-430, and administer the same two-part exam, so a graduating senior can hold an NA-C before finishing high school. The clinical placement is arranged by the school with a facility that has agreed to host minors, which is the piece an individual 16-year-old cannot easily arrange alone.

The step-by-step picture, including how Running Start tuition works, is in high school and Running Start CNA options in Washington. If your school offers neither, the realistic plan is to complete the diploma and enroll in an adult program the summer after graduation.

Work rules for minors

Washington's Department of Labor & Industries regulates the employment of workers under 18, including limits on hours during the school year, restrictions on late shifts, and a work permit endorsement for the employer. A 17-year-old NA-C can be hired, but a nursing facility scheduling 12-hour night shifts will often prefer to wait for the 18th birthday. Treat those rules as the reason many facilities set 18 as a hiring floor, even where the credential itself carries no age.

At 18: the adult program route

Adult programs require proof of a diploma or GED and a cleared DOH background check before clinical placement. Huduma CNA Programs' CNA Traditional course is $1,100 tuition plus about $105 for books and supplies, runs 4 weeks, and offers day and weekend patterns; the skills test is administered on site for the $100 fee, and the $55 Credentia knowledge test follows. At 18 you can also be hired as a Nursing Assistant-Registered (NAR) by a nursing facility and complete training within 4 months of hire, an option described in the NAR four-month rule in Washington. A recent high school graduate with a summer to spare can finish training and both exams before fall.

Ages 19 to 30: the most common student

Many Washington CNA students are young adults using the credential as a first health care job or as a step toward nursing school. Nothing about the process changes with age here, but timing decisions do. The E2 eligibility route lets LPN and RN students qualify for the NA-C from their nursing coursework, so a 20-year-old already admitted to a nursing program may not need a separate CNA course; see nursing students and the CNA E2 route in Washington. A 20-year-old not yet in nursing school benefits from the traditional program because the clinical hours count as the health care experience many nursing programs weigh in admissions.

Over 40, over 50, and over 60: no upper limit

There is no maximum age for the NA-C credential, for training, or for the exam, and age discrimination in hiring is prohibited under federal and Washington law. What changes is physical planning. The skills test and the job involve transfers with a gait belt, repositioning residents, and long periods on your feet, and the 40 clinical hours are performed in a nursing facility at the facility's pace. Older students who prepare for that reality do well, and many employers value the reliability and life experience they bring. Specific guidance, including how the 4-week schedule fits a household and a mortgage, is in CNA training for career changers over 40 in Washington.

Proving your age and identity

Whatever your age, the enrollment and credentialing steps require identity documents that show a date of birth. Programs typically ask for a government-issued photo ID, such as a Washington driver license, state ID card, or passport, and the name on that ID must match the name used on the skills test record, the Credentia registration, and the DOH application. A 17-year-old without a driver license can use a state ID card or passport. Students who have changed names since their school records were issued should bring the linking document, such as a marriage certificate, to enrollment so the file is consistent from day one. The full checklist is in documents you need to enroll in a Washington CNA program.

Decision rules by age

• Under 16: Not realistic. No Washington program or clinical facility will place a student that young, and the diploma requirement for adult programs cannot be met.
• 16 or 17, still in high school: Ask your counselor about CTE nursing assistant courses, a skills center, or Running Start. These are the routes designed for you.
• 16 or 17, not in school: Complete a GED first; most adult programs will not admit a minor without a school partnership.
• 18 or older with diploma or GED: Enroll in an adult program directly. Choose the day pattern if you are not working and the weekend pattern if you are.
• Any age with an active Washington HCA credential: The 40-hour bridge is faster and $300 cheaper at Huduma than the traditional program.

Frequently asked questions

How old do you have to be to be a CNA in Washington? The state rules set no minimum age for the NA-C credential. Adult training programs generally admit at 18, and high school students at 16 or 17 train through school-based programs.

Can a 16-year-old take CNA classes in Washington? Yes, through a high school CTE program, skills center, or Running Start arrangement that has a clinical site willing to host minors. Adult programs rarely admit 16-year-olds directly.

Does Huduma CNA Programs admit 17-year-olds? Admission requires a high school diploma or GED and a cleared background check, which in practice means most students are 18 or older; contact the school about any exception.

Is there a maximum age for CNA certification? No. There is no upper age limit for training, testing, or the credential, and hiring discrimination based on age is unlawful.

Can a 17-year-old work as a CNA in a nursing home? The credential allows it, but Washington's minor work rules limit hours and shifts, so many facilities hire at 18.

Does the DOH check my age on the application? The application requires identity information including date of birth, but the DOH does not impose a minimum age for the NA-C.

For the rest of the requirements at any age, read Washington state CNA requirements in 2026, and see current start dates for the CNA Traditional program on the class schedule.