Healthcare Eligibility Benefit Inquiry and Response 270/271 Companion Guide August 01, 2024 13:52 Updated Please contact edi.support@ayin.com or 503-584-2169 opt 1 for additional information. Updated Companion Guide Health Care Eligibility Benefits Inquiry 270_271 Companion Guide Oct 2025.pdf 200 KB Download Related articles EDI Payor ID List Electronic Claims Direct Submission User Guide: SFTP Web Portal Program Tags/Location Info