MedicaidAdministrativeMedium impact
UPDATE: New Sections Published under the Comprehensive Billing Guide for Medicaid Managed Care Services
Illinois Medicaid - HFS·IL · Dentistry, Pharmacy, Psychiatry +2 more·Provider Notice
Effective date
Apr 1, 2023
We identified it
Jun 20, 2026
Summary
Illinois Medicaid MCOs published Version 28 of the Comprehensive Billing Guide with updates for multiple service types including new depression screening codes, updated vendor information, and new third-party liability guidance. Key changes affect professional services for LCPCs/LMFTs, dental vendor changes, pharmacy benefits, and community behavioral health services.
Action Required
Immediately: Review Version 28 of the IAMHP Comprehensive Billing Manual at https://iamhp.net/providers. Update billing procedures for depression screening codes effective April 1, 2023 in pediatric and community behavioral services. Update vendor information for Meridian Dental (now Envolve) and CountyCare PBM changes. Review new Appendix L for third-party liability and coordination of benefits requirements.