RFI # 2829 271 PCP Effective Date Description Can you please provide clarification on the appropriate method for representing the primary care provider (PCP) effective date within the X12 271 Health Care Eligibility Benefit Response transaction? Specifically, I would like to know: Is there a standard segment or data element within the 271 response that supports the inclusion of a PCP effective date? If so, could you please provide guidance on the correct usage and placement of this information within the transaction structure?