EDI 278I: Prior Authorization and Notification Inquiry

Use the Prior Authorization and Notification Inquiry (278I) transaction to check the status of previously submitted authorizations and notifications. Electronic authorization and notification inquiries can be submitted in real-time or batch mode, and you will receive a unique inquiry ID for confirmation of submission.


  • Streamline administrative tasks and increase productivity
  • Reduce administrative costs through automation
  • Increase data accuracy by reducing manual errors
  • Accomplish more with less ‒ fewer phone calls, faxes or keying

Getting Started

Please contact your clearinghouse and/or vendor to learn more about the EDI 278 transaction.

The Prior Authorization and Notification section of this website contains information on our care management program, quick reference guides and other tools to support your success with this process.

You can also refer to our Companion Guide page for more information.