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Continued Certification and Registration

The 'R' in R.T. refers to Registered; "T" is for Technologist. Once certified and registered, Registered Technologists must renew their certification and registration each year in order to maintain the credential. Read more about certification and registration.

Checking Status

ARRT offers two ways to verify whether an individual is certified and registered, both of which are available 24/7 and updated daily.

Online Directory

Check certification and registration status by providing a technologist's last name and the first few characters of the first name. Click here to verify credentials.

Phone Verification

With the required identification information, anyone may verify ARRT certification and registration of an individual by using the interactive voice response (IVR) system. Phone ARRT at (651) 687-0048 and press 1 for the first menu option, 2 for the second option, and finally 1. Next, enter two of three required identifiers for the person to be verified: ARRT ID number, birth date, and/or social security number. Read more about other services available especially for R.T.s through the IVR system.


R.T.s must annually renew certification and registration in order to use the R.T. designation. The annual renewal deadline is the last day of the individual's birth month. Learn more about renewal timing, eligibility requirements, CE and CQ reporting, renewal options, and annual fees.


R.T.s who do not renew by the last day of their birth month may apply for and pay an additional fee to reinstate certification and registration. Read about the reinstatement process.

Continued Certification and Registration FAQs

Interested in learning more about ARRT certification and registration? Check out the FAQs.

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