Electronic Data Interchange (EDI)

Using Electronic Data Interchange (EDI) for all eligible UnitedHealthcare transactions can help your organization improve efficiency, reduce costs and increase cash flow. We encourage you to use the following tools and resources to help you get started with electronic transactions.

EDI Transactions and Code Sets

HIPAA has national standards for health care EDI transaction and code sets. These standards support consistency in electronic exchange of data among providers, health care plans, clearinghouses, vendors and other health care business associates.

The following links provide more detailed information about each transaction type:

• 270/271: Eligibility and Benefit Inquiry and Response
• 275: Unsolicited Claim Attachments
• 276/277: Claim Status Inquiry and Response
• 278: EDI 278: Authorization and Referral Request
• 278I: Prior Authorization and Notification Inquiry
  
• 278N: Hospital Admission Notification
• 835: Electronic Remittance Advice (ERA)
• 837D: Dental Claim
• 837I: Institutional Claim
• 837P: Professional Claim or Vision Claim (uses 837P)