Four axes from current statute and agency guidance. Teal bar = substitution/assistance/access in place; amber = permissive or absent.
| Generic substitution mandate | Permissive |
| State Pharmaceutical Assistance Program | Delaware Prescription Assistance Program (DPAP) |
| 90-day fills permitted | Allowed |
| PMP mandatory prescriber query | Required by statute |
Delaware permits but does not mandate generic substitution. Under 24 Del. Code § 2549, a pharmacist may substitute a less expensive equivalent drug product unless the prescriber has indicated "dispense as written." The substitute must be FDA AB-rated.
The Delaware Division of Medicaid and Medical Assistance maintains the Delaware Medicaid PDL. Most members are enrolled in Diamond State Health Plan or Diamond State Health Plan Plus managed-care plans (AmeriHealth Caritas Delaware, Highmark Health Options), which follow the unified PDL.
Preferred Drug List: View current PDL
Prior authorization contact: Delaware Medicaid Pharmacy: 1-800-996-9969
Delaware operates the Delaware Prescription Assistance Program (DPAP), a Medicare-recognized SPAP that pays up to a state-set monthly amount toward prescription costs for eligible residents 65+ or disabled. DPAP coverage is creditable Medicare coverage. Administered by Delaware Health and Social Services.
Eligibility: Delaware resident, age 65+ or disabled with income up to 200% FPL. Must not be eligible for full Medicaid prescription coverage. Verify current thresholds on program site.
Delaware permits 90-day fills of non-controlled chronic medications. Out-of-state pharmacies must hold a Delaware Nonresident Pharmacy license. Federal CSA refill limits apply.
Delaware operates a Prescription Monitoring Program administered by the Department of Health and Social Services. Under 16 Del. Code § 4798, prescribers must check the PMP before initially prescribing certain controlled substances. Dispensers must report Schedule II-V dispensing within one business day.
PMP portal: Delaware Prescription Monitoring Program (PMP)
Delaware hosts a 340B network including ChristianaCare, Nemours Children's Health, Bayhealth, FQHCs across Wilmington/Dover/Sussex County, and Ryan White clinics.
Find a 340B clinic in Delaware: HRSA OPAIS database (DE filter)
Our sister site OmniRx maintains a federal-side patient assistance program directory covering manufacturer PAPs, foundation copay assistance, GoodRx-style discount cards, and 340B locators applicable nationwide.
Once the law side is clear, the next question is which pharmacy actually has the cheapest fill. Use the RxGrab Pharmacy Finder to compare CostPlus Drugs, Costco, Walmart, Amazon Pharmacy, and other discount pharmacies on your specific medication, and read our generic vs brand explainer for the bioequivalence rules behind every substitution.
Yes unless your prescriber wrote "dispense as written." Under 24 Del. Code § 2549 substitution is permissive.
The Delaware Prescription Assistance Program is the state's SPAP for residents 65+ or disabled with income up to 200% FPL. It pays toward prescription costs and counts as creditable Medicare coverage. Apply through Delaware DHSS.
Diamond State Health Plan is Delaware's Medicaid managed-care program. All managed-care plans use the unified Delaware Medicaid PDL.
Yes for certain controlled-substance prescriptions under 16 Del. Code § 4798.