MedicaidAdministrativeMedium impact
MESA does not accept copay exception codes
Mississippi Medicaid (DOM)·MS·Claims & Billing
Effective date
Dec 30, 2024
We identified it
Jun 21, 2026
Summary
Mississippi Medicaid has implemented multiple updates including online letter access through the Provider Portal, increased enrollment fees for institutional providers from $709 to $730 for 2025, and new ASL capability reporting options. Additionally, new guidance was provided for retrospective authorization requests to Telligen with specific timeframes for different scenarios.
Action Required
Immediately: Providers should log into Mississippi Medicaid Provider Portal to access new letter viewing functionality under 'Secure Correspondence'. Institutional providers must budget for increased enrollment fees of $730 (up from $709) for any 2025 applications including initial enrollment, reactivation, or new locations. Providers offering ASL services should update their directory listing by navigating to 'Characteristics' section and adding 'American Sign Language' from dropdown menu. Review retrospective authorization timeframes: submit retroactive eligibility requests within 90 days, advanced imaging within 5 days, dental additions within 5 days, and EPSDT visits within 30 days.