| Meridian Illinois Medicaid Clinical | Riociguat (Adempas) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Risedronate (Actonel, Atelvia) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Rituximab (Rituxan), Rituximab-arrx (Riabni), | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Romiplostim (Nplate) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Romosozumab-aqqg (Evenity) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Ropeginterferon Alfa-2b-njft (BESREMi) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Rucaparib (Rubraca) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Ruxolitinib (Jakafi, Opzelura) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Selexipag (Uptravi) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Sirolimus Protein-Bound Particles (Fyarro), Topical Gel | 2026-02-01 |