CNA Certification Renewals

Please log into TMU and check your CNA status on the registry to ensure you are not inactive or expired.

In January 2023, the registry had 74,443 CNAs active. September 2023, the registry is showing 48,732 CNAs currently active. This shows approximately 25,000 CNA’s did not renew their certification.

Information on how to log into the registry, what documents are required to be uploaded and instructions on how to renew your CNA certification are provided in the links below.

Link to TMU: MO TMU (
MO Renewal Guide – Instructions
CNA Renewal Documentation

You may call the Health Education Unit at 573-526-5686 or email us at for any questions.