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Information for Maine

EDI Companion Guide

The companion guide provides supplemental instructions for EDI transmissions specific to Anthem.  All new submitters will use the Availity EDI Gateway for their Anthem EDI transactions.

Section A: EDI User Guide

For employer groups: 834 User Guide

For all other transactions: Availity EDI Connection Guide

Section B: Transaction-specific Documents

Health Care Claim: 837I | 837P

Health Care Claim Payment/Advice: 835

Benefit Enrollment and Maintenance: 834 | 834 (Compass Life & Disability)

Prior Authorization: 278

Claim Status: 276/277 (Batch) | 276/277 (Real-time)

Eligibility: 270/271 (Batch) | 270/271 (Real-time)

Medical Attachments: 275

Inpatient Admission and Discharge Notification: 278N

Review Notification & Acknowledgement - UM Decisions: 278N

Section C: Appendices


Availity Companion Guide

In addition to our companion documents listed above, Availity also offers a companion guide to communicate Availity-specific requirements and other supplemental information.