Eligibility Verification (E1) Transaction

Pharmacies use this transaction to determine a client's program-specific eligibility, prescription benefits, and managed care enrollment status when applicable. The following payer sheets are available:

  • Eligibility Verification (E1) Transaction Payer Sheet
    • Eligibility Request
      • Programs: Medicaid, CHIP*, CSHCN, HTW, KHC
    • Accepted Response
    • Rejected Response

* E1 transactions submitted to HHSC for clients enrolled in CHIP will return a response identifying the name of the client's MCO. Pharmacy providers should contact the client's specific MCO for details.