Continue Education Units for Certified Nurse Assistants and Certified Home Health Aides in the State of California. As per California Department of Public Health, you are only allowed to complete 24 of the 48 hours online for CNA renewal. (Not including any new exceptions due to the COVID-19 pandemic) ... Online CEUs are not available at this time, please give us a call during normal business hours to inquire about our in-class CEUs for now.