Prescription Drug Coverage

Prescription drug coverage is a type of health insurance policy that covers the cost of prescription drugs. It can be a standalone policy or included as part of a comprehensive health insurance plan. Here are some key features of prescription drug coverage:

• Prescription drug formulary: The list of prescription drugs that the plan covers.

• Copayments and coinsurance: The amount that the insured person is responsible for paying for each prescription, either as a fixed copayment or a percentage of the drug's cost.

• Deductibles: The amount the insured person must pay out of pocket before the insurance company starts covering the cost of prescriptions.

• Coverage limits: The maximum amount the insurance plan will pay for prescription drugs during a specific period.

• Prior authorization: Some drugs may require prior authorization from the insurance company before they are covered.

• Step therapy: Some insurance plans may require that the insured person try less expensive or alternative drugs before the insurance company will cover the cost of more expensive medications.

• Mail-order prescriptions: Some insurance plans allow the insured person to order prescription drugs by mail, which can be more convenient and less expensive than purchasing them at a retail pharmacy.

For example, let's say a person has a prescription drug coverage policy with a $20 copayment for generic drugs and a $40 copayment for brand-name drugs. The policy also has a $500 deductible, and a coverage limit of $2,500 per year. If the insured person purchases a generic drug that costs $30, they would pay a $20 copayment, and the insurance company would cover the remaining $10. If they purchase a brand-name drug that costs $100, they would pay a $40 copayment, and the insurance company would cover the remaining $60. If the insured person reaches their $500 deductible, the insurance company would begin covering a larger portion of the prescription drug costs.

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According to Mployer Insights’ 2026 analysis of 76,000+ employer benefit plans, disability insurance remains a major market differentiator, with only 41% of U.S. employers offering short-term disability (STD) and 38% offering long-term disability (LTD). While 60% salary replacement serves as the national standard across both benefit types, standard plan designs disproportionately expose higher earners due to median benefit caps of $1,602/week for STD and $8,273/month for LTD. Furthermore, alignment between STD benefit durations (median 26 weeks) and LTD elimination periods (68% at 90 days) remains a critical area for plan structure optimization.
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According to Mployer Insights’ 2026 analysis of 50,000+ employer health plans, prescription drugs account for over 25% of total benefit expenses, with Tier 4 specialty drugs driving the majority of high-cost claims. While Tier 4 copays average $123 with coinsurance requirements in 31% of plans, individual oncology therapies like Darzalex Faspro ($170,800/yr) and Keytruda ($158,200/yr) frequently exceed average individual stop-loss deductibles ($141,938). To mitigate exposure, self-funded employers are increasingly turning to independent, transparent PBM models and biosimilar substitution—which yields up to a 73% net cost reduction per patient.