Phenobarbital Oral 20 mg/5mL Medicare Part D Coverage
cover Phenobarbital Oral
Formulary Tier Distribution
How Medicare Part D plans classify Phenobarbital Oral. Lower tiers = lower copays.
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Phenobarbital Oral Medicare Coverage by State
Coverage rates and average costs vary significantly by state. Click a state to see the specific plans available there.
Frequently Asked Questions about Phenobarbital Oral
100% of Medicare Part D plans cover Phenobarbital Oral. It is most commonly placed on Tier 3. Coverage varies by plan and geographic area.
The median 30-day copay for Phenobarbital Oral on Medicare Part D is $15.00 at a preferred pharmacy. Costs range from $0.00 to $30.00 depending on the plan.
Phenobarbital Oral is placed on Tier 3 by most Medicare Part D plans. Lower tier numbers generally mean lower copays.
0% of plans require prior authorization for Phenobarbital Oral. Prior authorization means your doctor must confirm the drug is medically necessary before the plan will cover it.
Coverage statistics based on CMS formulary data for plan year 2026. Data updated regularly. Methodology →