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Diazepam 10 mg/1 Medicare Part D Coverage

Dosage form
TABLET
Route
ORAL
Drug class
Benzodiazepines
100%
of Medicare Part D plans
cover Diazepam
5,529 of 5,530 plans
2.3
Avg. formulary tier
$15.00
Median 30-day copay
$0.00–$30.00
Copay range

Formulary Tier Distribution

How Medicare Part D plans classify Diazepam. Lower tiers = lower copays.

Tier 1 - Preferred Generic 9%
471 plans • avg $0.00/mo
Tier 2 - Generic 55%
3,042 plans • avg $1.53/mo
Tier 3 - Preferred Brand 33%
1,852 plans • avg $3.60/mo
Tier 4 - Non-Preferred Drug 3%
164 plans • avg $97.17/mo

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Diazepam Medicare Coverage by State

Coverage rates and average costs vary significantly by state. Click a state to see the specific plans available there.

Alabama 100% avg $1.12 Arizona 100% avg $0.48 Arkansas 100% avg $1.11 California 100% avg $0.83 Colorado 100% avg $2.17 Connecticut 100% avg $1.59 Delaware 100% avg $1.86 District of Columbia 100% avg $4.00 Florida 100% avg $0.45 Georgia 100% avg $2.01 Hawaii 100% Idaho 100% avg $2.32 Illinois 100% avg $1.14 Indiana 100% avg $2.06 Iowa 100% avg $0.08 Kansas 100% avg $0.11 Kentucky 100% avg $0.75 Louisiana 100% avg $11.45 Maine 100% avg $0.60 Maryland 100% avg $0.97 Massachusetts 100% avg $4.99 Michigan 100% avg $6.19 Minnesota 100% avg $0.46 Mississippi 100% avg $0.83 Missouri 100% avg $0.53 Montana 100% avg $1.29 Nebraska 100% Nevada 100% avg $0.25 New Hampshire 100% New Jersey 100% avg $0.94 New Mexico 100% avg $0.51 New York 100% avg $2.38 North Carolina 100% avg $2.62 North Dakota 100% avg $3.24 Ohio 100% avg $3.41 Oklahoma 100% avg $0.59 Oregon 100% avg $0.84 Pennsylvania 100% avg $0.85 Puerto Rico 100% Rhode Island 100% South Carolina 100% avg $1.65 South Dakota 100% avg $2.13 Tennessee 100% avg $2.85 Texas 100% avg $1.43 Utah 100% avg $1.68 Vermont 100% Virginia 100% avg $0.23 Washington 100% avg $0.56 West Virginia 100% avg $3.62 Wisconsin 100% avg $1.04 Wyoming 100%

Alternative Medications in the Same Drug Class

Other drugs in the Benzodiazepines that Medicare Part D plans also cover.

Diazepam Avg Tier 3.2 $13.00/mo 5,529 plans Diazepam Intensol Avg Tier 3.0 $13.00/mo 5,529 plans Diazepam Avg Tier 2.3 $15.00/mo 5,529 plans Diazepam Avg Tier 2.3 $15.00/mo 5,529 plans Alprazolam Avg Tier 2.3 $15.00/mo 5,441 plans Alprazolam Avg Tier 2.3 $15.00/mo 5,441 plans Alprazolam Avg Tier 2.3 $15.00/mo 5,441 plans Alprazolam Avg Tier 2.3 $15.00/mo 5,441 plans

Related Versions of Diazepam

Diazepam 5 mg/5mL Brand Diazepam 5 mg/1 Brand Diazepam 2 mg/1 Brand

Frequently Asked Questions about Diazepam

100% of Medicare Part D plans cover Diazepam. It is most commonly placed on Tier 2. Coverage varies by plan and geographic area.

The median 30-day copay for Diazepam on Medicare Part D is $15.00 at a preferred pharmacy. Costs range from $0.00 to $30.00 depending on the plan.

Diazepam is placed on Tier 2 by most Medicare Part D plans. Lower tier numbers generally mean lower copays.

0% of plans require prior authorization for Diazepam. Prior authorization means your doctor must confirm the drug is medically necessary before the plan will cover it.

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Coverage statistics based on CMS formulary data for plan year 2026. Data updated regularly. Methodology →