| Meridian Illinois Medicaid Clinical | Olaparib (Lynparza) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Omega-3-Acid Ethyl Esters (Lovaza) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | OnabotulinumtoxinA (Botox) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Parathyroid Hormone (Natpara) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Pasireotide (Signifor, Signifor LAR) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Pegloticase (Krystexxa) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Pegvisomant (Somavert) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Pemetrexed (Alimta, Pemfexy, Axtle) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Prasterone (Intrarosa) | 2026-02-01 |
| Meridian Illinois Medicaid Clinical | Pretomanid | 2026-02-01 |