Potential employers may prefer a candidate with experience as a CNA, but it’s not necessarily a requirement for getting a job as an LPN (same goes for going from CNA to RN).There is no prerequisite to be a CNA before enrolling in the Herzing University PN program. Learn More About Our Practical Nursing ProgramExplore Now Other Questions When can I start a Herzing nursing program? How long does it take to earn an IT degree? Is an MBA in Healthcare Management worth it? Do I need ACT/SAT/GMAT scores?