D&S Diversified Technologies LLP Missouri Nurse Aide Testing, Certification and Registry Services Innovative, quality technology solutions
throughout the United States
since 1985.
D&S Diversified Technologies LLP - Headmaster LLP
Headmaster is honored to partner with the Missouri Department of Health and Senior Services to work with and offer Certified Nurse Aide Testing and Registry Services to the Missouri Health Care Community.

Testing Updates In Missouri -- What's going on with the Test Calendar?

Updates to the Candidate Handbook and Mock Skills effective July 1, 2023


Training Programs - Instructors - Test Sites

RN Test Observers & Employers


TestMaster Universe (TMU©)

Missouri TMU© Testing and Registry
How to Renew your CNA Certification in TMUŠ
Missouri Candidate Handbook
Effective for testing July 1, 2023

Missouri Candidate Handbook
Effective for testing April 1, 2023
Download to your smart device!

Click Here to Listen to the Knowledge Test Instructions Text Version of the Knowledge Test Instructions Virtual Knowledge Test Instructions Click Here to Listen to the Skill Test Instructions Text Version of the Skill Test Instructions
ADA Accommodaton Form 1404MO:
Third Column Main Page

How to finish setting up an account in TMUŠ How to access a nurse aide certificate

You will need a reader to view and print some documents. You may download it here...

Webinar, text version, to learn about exciting changes coming for Nurse Aide Testing Missouri Recording Form Missouri Mock Skills
Effective for testing April 1, 2023

Test Site Agreement Form 1502MO:
Fill online and SUBMIT
Test Site Equipment List Form 1503MO:
Fill online and SUBMIT


Fluid Intake Cups

Please see the Fluid Intake Cup order form
on our main page under Nurse Aide.

Test Master Universe TMUŠ How To Guides

Forgot Password Reset in Missouri TMUŠ How to Enter Students in TMUŠ 5.0 Instructor Guide iMO How to Complete Student Training in TMU© Instructor Guide How to Incomplete A Student's Training - Instructor Guide

All Test Observer Independent Contractor Forms Click Here
Mandatory Observer Skill Test Script/Checklist
EMPLOYER Work Update/CNA Registry Renewal Guidelines
Any listed employee names MUST match
their TMU record exactly or form will be rejected.
Please feel free to contact us if you have questions, concerns, or suggestions about our service. We value the feedback we receive from everyone involved in the Missouri Nurse Aide training, testing, and certification process.

D&S Diversified Technologies - HEADMASTER

PO Box 6609
Helena, MT 59604
Testing Toll Free Phone: 888-401-0462
Registry Toll Free Phone: 888-401-0465
Fax: 406-442-3357