Non-Formulary Drug

A non-formulary drug is a medication that isn't included on your health plan's formulary, the official list of prescription drugs your plan covers. If your doctor prescribes a non-formulary drug, your plan may not cover it at all, or may cover it only with significantly higher cost-sharing.

Every health plan maintains a formulary developed by a pharmacy and therapeutics committee. This committee reviews clinical evidence, cost-effectiveness, and therapeutic alternatives to decide which drugs to include. A drug might be excluded from a formulary because a cheaper or equally effective alternative is available, because the manufacturer hasn't negotiated pricing with the insurer, or because the drug is considered experimental.

If you need a non-formulary drug, you have several options. First, ask your doctor if a formulary alternative would work. Many drug classes have multiple effective options, and a formulary drug may treat your condition just as well at a fraction of the cost. Second, your doctor can submit a prior authorization or formulary exception request, arguing that the non-formulary drug is medically necessary for your specific situation. If approved, the plan may cover it, potentially at a higher tier's cost-sharing.

If the exception is denied, you can appeal. If the appeal is also denied, you may need to pay the full retail cost of the drug out of pocket. Manufacturer discount programs, patient assistance programs, or pharmacy discount cards may help reduce the price.

Always check your plan's formulary before enrolling, especially if you take medications regularly. A plan with a lower premium but no coverage for your essential medications could cost you far more overall.