MedicaidAdministrativeMedium impact
HealthChoice Illinois ADT Mandatory Hospital Participation Reminder
Illinois Medicaid - HFS·IL·Provider Notice
Effective date
Sep 30, 2021
We identified it
Jun 20, 2026
Summary
Illinois hospitals enrolled in IMPACT to serve Medicaid customers must transmit electronic notifications of admissions, discharges, and transfers for Medicaid patients to the HealthChoice Illinois ADT platform by September 30, 2021. This is a mandatory requirement for hospital participation in the Medicaid program.
Action Required
By September 30, 2021: Hospital IT teams must implement HL7 format electronic data transmission to HealthChoice Illinois ADT platform for all Medicaid patient admissions, discharges, and transfers. Contact HFS.HealthChoiceIllinoisADT@illinois.gov if onboarding documents not yet submitted. Failure to comply may result in enforcement action and ineligibility for other Department programs.