| Meridian Illinois Medicaid Clinical | Imatinib (Gleevec, Imkeldi) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | Imiglucerase (Cerezyme) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | IncobotulinumtoxinA (Xeomin) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | Inotersen (Tegsedi) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | Ipilimumab (Yervoy) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | Isatuximab-irfc (Sarclisa) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | Laronidase (Aldurazyme) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | Lenalidomide (Revlimid) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | Lorlatinib (Lorbrena) | 2025-05-01 |
| Meridian Illinois Medicaid Clinical | Mercaptopurine (Purixan) | 2025-05-01 |