Mississippi: Start Here
Beginner guide for Mississippi—HealthCare.gov Marketplace, MID external review, PA Reform Act deadlines, and what to open next.
Read guideState playbook
Mississippi
State insurers, legislation, and appeal resources for patients and advocates in Mississippi.
4 guides
Mississippi Prior Authorization Law
Prior Authorization Reform Act—5-day/24-hour PA, deemed authorized if late, 6/12-month validity, electronic PA, specialty appeals.
Read guideMississippi Health Insurance Appeals and Grievances
Carrier grievance—30-day exhaustion for MID external review, PA appeals under SB 2140, MS CAN Medicaid path.
Read guideMississippi External Review (MID)
Binding IRO review—4-month filing, 45-day standard, 72-hour expedited, 19 Miss. Code. R. 3-15, Life & Health Division.
Read guidePrior auth & internal appeals
Match the plan on the member ID card. Use the denial letter for where to file appeals.
- Blue Cross & Blue Shield of Mississippi
- Ambetter from Magnolia Health
- Molina Healthcare (MS)
- UnitedHealthcare
- HealthCare.gov (Mississippi Marketplace)
- Division of Medicaid / MS CAN
External appeals
After internal appeal, for eligible Mississippi fully insured plans only.
- MID — external review
- Medicaid — fair hearing