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EDI Companion Guides

The following HIPAA Companion Guides describe UnitedHealthcare-specific technical details for EDI transactions.

Please note: These guides should be used along with the ASC X12 implementation guides; they don’t replace or modify them. Following the instructions in both guides will help ensure effective and efficient processing of your transactions.

To view companion guide(s) for each respective EDI area listed below, click the "+" sign: