Where third parties did not have standing to sue on behalf of Medicaid beneficiaries as they relied solely upon a Medicaid authorized representative regulation, which pertained only to matters with the agency, not civil litigation against it.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge Charles R. Norgle Sr.The state of Illinois administers its Medicaid program through its Department of Healthcare and Family Services. The department contracts with Medicaid managed care organizations to …