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diltiazem hydrochloride 120 mg/1 Medicare Part D Coverage

Dosage form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Drug class
Calcium Channel Blockers
96%
of Medicare Part D plans
cover diltiazem hydrochloride
5,329 of 5,530 plans
2.4
Avg. formulary tier
$15.00
Median 30-day copay
$0.00–$30.00
Copay range

Formulary Tier Distribution

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

Tier 1 - Preferred Generic 5%
253 plans • avg $0.00/mo
Tier 2 - Generic 67%
3,564 plans • avg $0.94/mo
Tier 3 - Preferred Brand 8%
401 plans • avg $4.87/mo
Tier 4 - Non-Preferred Drug 21%
1,110 plans • avg $14.17/mo
Tier 6 - Select Care 0%
1 plans • avg $0.00/mo

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diltiazem hydrochloride 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 $0.93 Arizona 100% avg $0.46 Arkansas 100% avg $0.73 California 100% avg $0.77 Colorado 100% avg $0.45 Connecticut 100% avg $0.53 Delaware 100% avg $1.08 District of Columbia 100% avg $1.33 Florida 100% avg $0.27 Georgia 100% avg $0.54 Hawaii 100% Idaho 100% Illinois 100% avg $0.27 Indiana 100% avg $0.05 Iowa 100% Kansas 100% avg $0.10 Kentucky 100% avg $0.09 Louisiana 100% avg $6.87 Maine 100% avg $0.22 Maryland 100% avg $0.85 Massachusetts 100% avg $4.06 Michigan 100% Minnesota 100% avg $1.73 Mississippi 100% avg $0.41 Missouri 100% avg $0.29 Montana 100% Nebraska 100% Nevada 100% avg $0.46 New Hampshire 100% New Jersey 100% avg $0.60 New Mexico 100% avg $0.26 New York 100% avg $1.59 North Carolina 100% avg $0.36 North Dakota 100% Ohio 100% avg $1.68 Oklahoma 100% avg $0.96 Oregon 100% avg $0.81 Pennsylvania 100% avg $0.70 Puerto Rico 100% Rhode Island 100% South Carolina 100% avg $0.30 South Dakota 100% Tennessee 100% avg $2.58 Texas 100% avg $0.31 Utah 100% avg $0.57 Vermont 100% Virginia 100% avg $0.08 Washington 100% avg $0.23 West Virginia 100% avg $1.60 Wisconsin 100% avg $1.01 Wyoming 100%

Alternative Medications in the Same Drug Class

Other drugs in the Calcium Channel Blockers that Medicare Part D plans also cover.

Diltiazem Hydrochloride Avg Tier 1.8 $15.00/mo 5,529 plans Diltiazem Hydrochloride Avg Tier 1.8 $15.00/mo 5,529 plans Diltiazem Hydrochloride Avg Tier 1.8 $15.00/mo 5,529 plans Diltiazem Hydrochloride Avg Tier 1.8 $15.00/mo 5,529 plans diltiazem hydrochloride Avg Tier 2.4 $15.00/mo 5,329 plans diltiazem hydrochloride Avg Tier 2.4 $15.00/mo 5,329 plans AMLODIPINE AND VALSARTAN Avg Tier 2.0 $15.00/mo 5,314 plans AMLODIPINE AND VALSARTAN Avg Tier 2.0 $15.00/mo 5,314 plans

Related Versions of diltiazem hydrochloride

Diltiazem Hydrochloride 30 mg/1 Brand Diltiazem Hydrochloride 60 mg/1 Brand Diltiazem Hydrochloride 90 mg/1 Brand Diltiazem Hydrochloride 120 mg/1 Brand Diltiazem Hydrochloride 90 mg/1 Brand Diltiazem Hydrochloride 60 mg/1 Brand

Frequently Asked Questions about diltiazem hydrochloride

96% of Medicare Part D plans cover diltiazem hydrochloride. It is most commonly placed on Tier 2. Coverage varies by plan and geographic area.

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

diltiazem hydrochloride 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 diltiazem hydrochloride. 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 →