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 LPN program. Learn More About Our LPN Program Explore Now Other Questions What is the scope of practice for a family nurse practitioner? How long does it take to become a medical assistant? How much does the Herzing Accounting program cost? How much does a physical therapist assistant make in Minnesota?