Prior authorization is required for the following outpatient radiology procedures through NIA:
NUCLEAR EXERCISE - TOLERANCE TEST (ETT)
It is the responsibility of the ordering physician or clinic to obtain authorization. Providers rendering the above services should verify that the necessary authorization has been obtained. Failure to do so may result in non-payment of your claim. Imaging procedures performed during an emergency room and/or urgent care visit or in observation and inpatient facilities do not require authorization.