441—92.9 (249A,249J) Claims. Claims for Medicaid expansion services provided to IowaCare members shall be submitted to the Iowa Medicaid Enterprise, P.O. Box 150001, Des Moines, Iowa 50315, as required by 441—Chapter 80. To facilitate tracking of expenditures, clean claims for IowaCare services shall be submitted to the Iowa Medicaid enterprise within 20 days from ending date of service.