MedicaidAdministrativeMedium impact
Update: New and Revised Sections Published under the Comprehensive Billing Guide for Medicaid Managed Care Services
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
May 14, 2020
We identified it
Jun 20, 2026
Summary
Illinois Medicaid MCOs have published new and updated sections in their Comprehensive Billing Guide, including new guidance for substance use services, dental, psychiatric hospitals, rehabilitation hospitals, transportation, and updated coding guidance for inpatient hospitals, community behavioral services, and hospice billing.
Action Required
Immediately: Billing team should review the updated Comprehensive Billing Guide on the IAMHP website for any Illinois Medicaid managed care contracts. Focus on newly published sections relevant to your practice specialty and updated coding guidance for inpatient hospital services, community-based behavioral services, and hospice if applicable. Contact IAMHP for questions about the guide or Bureau of Managed Care at 217-524-7478 for policy questions.