Medicare Part D Drug Coverage List

According to the Centers for Medicare & Medicaid Services (CMS) 2026 Part D formulary data, this list covers 6,046 drugs across Medicare Part D plans, sorted by how broadly each is covered. Under the Inflation Reduction Act, Part D out-of-pocket costs are capped at $2,000 a year in 2026; see our methodology for how coverage breadth is calculated.

Coverage varies by plan and geography. Verify drug coverage with your specific plan before making decisions.

Overview Browse Drugs Part D Plans Rankings

Drug Name	Plans Covering	Coverage %	Avg Tier	PA %	2023 Benes
24 HR metoprolol succinate 50 MG Extended Release Oral Tablet metoprolol succinate	5,067	100%	T1	0%	-
{56 (elexacaftor 100 MG / ivacaftor 75 MG / tezacaftor 50 MG Oral Tablet) / 28 (ivacaftor 150 MG Oral Tablet) } Pack [Trikafta (100 MG / 50 MG / 75 MG; 150 MG)] elexacaftor	5,067	100%	T4	99.4%	-
12 HR carbamazepine 100 MG Extended Release Oral Tablet carbamazepine	5,067	100%	T3	0%	-
12 HR carbamazepine 200 MG Extended Release Oral Tablet carbamazepine	5,067	100%	T3	0%	-
12 HR carbamazepine 400 MG Extended Release Oral Tablet carbamazepine	5,067	100%	T3	0%	-
24 HR metoprolol succinate 200 MG Extended Release Oral Tablet metoprolol succinate	5,067	100%	T1	0%	-
10 ML acyclovir 50 MG/ML Injection acyclovir	5,067	100%	T3	96.7%	-
1 ML medroxyprogesterone acetate 150 MG/ML Injection medroxyprogesterone acetate	5,067	100%	T2	0%	-
24 HR alfuzosin hydrochloride 10 MG Extended Release Oral Tablet alfuzosin hydrochloride	5,067	100%	T2	0%	-
300 ML linezolid 2 MG/ML Injection linezolid	5,067	100%	T3	12.7%	-
lazertinib 80 MG Oral Tablet [Lazcluze] lazertinib	5,067	100%	T4	99.4%	-
lazertinib 240 MG Oral Tablet [Lazcluze] lazertinib	5,067	100%	T4	99.4%	-
rotavirus vaccine, live attenuated, G1P[8] human 89-12 strain 667000 UNT/ML Oral Suspension [Rotarix] rotavirus	5,067	100%	T2	0%	-
0.5 ML Neisseria meningitidis serogroup A oligosaccharide diphtheria CRM197 protein conjugate vaccine 0.02 MG/ML / Neisseria meningitidis serogroup B recombinant FHBP fusion protein antigen 0.1 MG/ML / Neisseria meningitidis serogroup B recombinant NADA fusion protein antigen 0.1 MG/ML / Neisseria meningitidis serogroup B recombinant NHBA fusion protein antigen 0.1 MG/ML / Neisseria meningitidis serogroup B strain NZ98/254 outer membrane vesicle 0.05 MG/ML / Neisseria meningitidis serogroup C oligosaccharide diphtheria CRM197 protein conjugate vaccine 0.01 MG/ML / Neisseria meningitidis serogroup W-135 oligosaccharide diphtheria CRM197 protein conjugate vaccine 0.01 MG/ML / Neisseria meningitidis serogroup Y oligosaccharide diphtheria CRM197 protein conjugate vaccine 0.01 MG/ML Injection [Penmenvy] Neisseria	5,067	100%	T2	0.3%	-
0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.05 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.016 MG/ML / Bordetella pertussis toxoid vaccine, inactivated 0.05 MG/ML / diphtheria toxoid vaccine, inactivated 50 UNT/ML / tetanus toxoid vaccine, inactivated 20 UNT/ML Prefilled Syringe [Infanrix] Bordetella pertussis filamentous hemagglutinin vaccine, inactivated	5,067	100%	T2	0%	-
0.5 ML hepatitis B surface antigen vaccine 0.02 MG/ML Prefilled Syringe [Engerix-B] hepatitis B surface antigen vaccine	5,067	100%	T2	100%	-
1 ML hepatitis B surface antigen vaccine 0.02 MG/ML Injection [Engerix-B] hepatitis B surface antigen vaccine	5,067	100%	T2	100%	-
1 ML hepatitis B surface antigen vaccine 0.02 MG/ML Prefilled Syringe [Engerix-B] hepatitis B surface antigen vaccine	5,067	100%	T2	100%	-
0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.016 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.005 UNT/ML / Bordetella pertussis toxoid vaccine, inactivated 0.016 MG/ML / diphtheria toxoid vaccine, inactivated 5 UNT/ML / tetanus toxoid vaccine, inactivated 10 UNT/ML Injection [Boostrix] Bordetella pertussis filamentous hemagglutinin vaccine, inactivated	5,067	100%	T2	0%	-
0.5 ML Bordetella pertussis filamentous hemagglutinin vaccine, inactivated 0.016 MG/ML / Bordetella pertussis pertactin vaccine, inactivated 0.005 MG/ML / Bordetella pertussis toxoid vaccine, inactivated 0.016 MG/ML / diphtheria toxoid vaccine, inactivated 5 UNT/ML / tetanus toxoid vaccine, inactivated 10 UNT/ML Prefilled Syringe [Boostrix] Bordetella pertussis filamentous hemagglutinin vaccine, inactivated	5,067	100%	T2	0%	-
0.5 ML Neisseria meningitidis serogroup A oligosaccharide diphtheria CRM197 protein conjugate vaccine 0.02 MG/ML / Neisseria meningitidis serogroup C oligosaccharide diphtheria CRM197 protein conjugate vaccine 0.01 MG/ML / Neisseria meningitidis serogroup W-135 oligosaccharide diphtheria CRM197 protein conjugate vaccine 0.01 MG/ML / Neisseria meningitidis serogroup Y oligosaccharide diphtheria CRM197 protein conjugate vaccine 0.01 MG/ML Injection [Menveo] Neisseria	5,067	100%	T2	0%	-
bedaquiline 100 MG Oral Tablet [Sirturo] bedaquiline	5,067	100%	T4	75.8%	-
{21 (methylprednisolone 4 MG Oral Tablet) } Pack methylprednisolone	5,067	100%	T2	0%	-
salmon calcitonin 200 UNT/ACTUAT Nasal Spray salmon calcitonin	5,067	100%	T2	18.5%	-
bictegravir 50 MG / emtricitabine 200 MG / tenofovir alafenamide 25 MG Oral Tablet [Biktarvy] bictegravir	5,067	100%	T4	0%	-
bictegravir 30 MG / emtricitabine 120 MG / tenofovir alafenamide 15 MG Oral Tablet [Biktarvy] bictegravir	5,067	100%	T4	0%	-
{4 (lenacapavir 300 MG Oral Tablet [Sunlenca]) } Pack [Sunlenca 4-Tablet Pack] lenacapavir	5,067	100%	T4	0%	-
{5 (lenacapavir 300 MG Oral Tablet [Sunlenca]) } Pack [Sunlenca 5-Tablet Pack] lenacapavir	5,067	100%	T4	0%	-
500 ML glucose 50 MG/ML / sodium chloride 4.5 MG/ML Injection glucose	5,067	100%	T3	0%	-
1000 ML glucose 50 MG/ML / sodium chloride 9 MG/ML Injection glucose	5,067	100%	T3	0%	-
zuranolone 20 MG Oral Capsule [Zurzuvae] zuranolone	5,067	100%	T4	85.5%	-
zuranolone 25 MG Oral Capsule [Zurzuvae] zuranolone	5,067	100%	T4	85.5%	-
zuranolone 30 MG Oral Capsule [Zurzuvae] zuranolone	5,067	100%	T4	85.5%	-
24 HR glipizide 2.5 MG Extended Release Oral Tablet glipizide	5,067	100%	T2	0%	-
24 HR glipizide 5 MG Extended Release Oral Tablet glipizide	5,067	100%	T2	0%	-
24 HR glipizide 10 MG Extended Release Oral Tablet glipizide	5,067	100%	T2	0%	-
alendronic acid 10 MG Oral Tablet alendronic acid	5,067	100%	T1	0%	-
24 HR divalproex sodium 250 MG Extended Release Oral Tablet divalproex sodium	5,067	100%	T2	0%	-
24 HR divalproex sodium 500 MG Extended Release Oral Tablet divalproex sodium	5,067	100%	T2	0%	-
alendronic acid 70 MG Oral Tablet alendronic acid	5,067	100%	T1	0%	-
24 HR venlafaxine 37.5 MG Extended Release Oral Capsule venlafaxine	5,067	100%	T2	0%	-
24 HR venlafaxine 75 MG Extended Release Oral Capsule venlafaxine	5,067	100%	T2	0%	-
24 HR venlafaxine 150 MG Extended Release Oral Capsule venlafaxine	5,067	100%	T2	0%	-
250 ML moxifloxacin 1.6 MG/ML Injection moxifloxacin	5,067	100%	T3	10.3%	-
1 ML haloperidol decanoate 50 MG/ML Injection haloperidol decanoate	5,067	100%	T3	14.8%	-
24 HR metformin hydrochloride 750 MG Extended Release Oral Tablet metformin hydrochloride	5,067	100%	T2	0%	-
1 ML enoxaparin sodium 150 MG/ML Prefilled Syringe enoxaparin sodium	5,067	100%	T3	0%	-
Sugar-Free cholestyramine resin 4000 MG Powder for Oral Suspension Sugar-Free cholestyramine resin	5,067	100%	T2	0%	-
{1 (aprepitant 125 MG Oral Capsule) / 2 (aprepitant 80 MG Oral Capsule) } Pack aprepitant	5,067	100%	T3	99.7%	-
0.5 ML diazepam 5 MG/ML Rectal Gel diazepam	5,067	100%	T3	0%	-
dordaviprone 125 MG Oral Capsule [Modeyso] dordaviprone	5,067	100%	T4	99.1%	-
alendronic acid 35 MG Oral Tablet alendronic acid	5,067	100%	T1	0%	-
24 HR metformin hydrochloride 500 MG Extended Release Oral Tablet metformin hydrochloride	5,067	100%	T2	0%	-
24 HR bupropion hydrochloride 150 MG Extended Release Oral Tablet bupropion hydrochloride	5,067	100%	T2	0%	-
24 HR bupropion hydrochloride 300 MG Extended Release Oral Tablet bupropion hydrochloride	5,067	100%	T2	0%	-
24 HR desvenlafaxine succinate 100 MG Extended Release Oral Tablet desvenlafaxine succinate	5,067	100%	T2	0%	-
24 HR desvenlafaxine succinate 25 MG Extended Release Oral Tablet desvenlafaxine succinate	5,067	100%	T2	0%	-
{24 (avutometinib 0.8 MG Oral Capsule [Avmapki]) / 42 (defactinib 200 MG Oral Tablet [Fakzynja]) } Pack [Avmapki Fakzynja Co-Pack] avutometinib	5,067	100%	T4	99.4%	-
vorasidenib 40 MG Oral Tablet [Voranigo] vorasidenib	5,067	100%	T4	99.4%	-
vorasidenib 10 MG Oral Tablet [Voranigo] vorasidenib	5,067	100%	T4	99.4%	-
vimseltinib 14 MG Oral Capsule [Romvimza] vimseltinib	5,067	100%	T4	99.4%	-
vimseltinib 20 MG Oral Capsule [Romvimza] vimseltinib	5,067	100%	T4	99.4%	-
vimseltinib 30 MG Oral Capsule [Romvimza] vimseltinib	5,067	100%	T4	99.4%	-
revumenib 25 MG Oral Tablet [Revuforj] revumenib	5,067	100%	T4	99.4%	-
revumenib 110 MG Oral Tablet [Revuforj] revumenib	5,067	100%	T4	99.4%	-
revumenib 160 MG Oral Tablet [Revuforj] revumenib	5,067	100%	T4	99.4%	-
eflornithine 192 MG Oral Tablet [Iwilfin] eflornithine	5,067	100%	T4	99.1%	-
0.5 ML respiratory syncytial virus pre-fusion F glycoprotein mRNA 0.1 MG/ML Prefilled Syringe [Mresvia] respiratory syncytial virus pre-fusion F glycoprotein mRNA	5,067	100%	T2	20.9%	-
ganaxolone 50 MG/ML Oral Suspension [Ztalmy] ganaxolone	5,067	100%	T4	98.5%	-
mirdametinib 1 MG Oral Capsule [Gomekli] mirdametinib	5,067	100%	T4	99.4%	-
mirdametinib 1 MG Tablet for Oral Suspension [Gomekli] mirdametinib	5,067	100%	T4	99.4%	-
mirdametinib 2 MG Oral Capsule [Gomekli] mirdametinib	5,067	100%	T4	99.4%	-
resmetirom 60 MG Oral Tablet [Rezdiffra] resmetirom	5,067	100%	T4	99.4%	-
resmetirom 80 MG Oral Tablet [Rezdiffra] resmetirom	5,067	100%	T4	99.4%	-
resmetirom 100 MG Oral Tablet [Rezdiffra] resmetirom	5,067	100%	T4	99.4%	-
{16 (tovorafenib 100 MG Oral Tablet [Ojemda]) } Pack [Ojemda 400 MG Once Weekly Carton] tovorafenib	5,067	100%	T4	99.1%	-
{20 (tovorafenib 100 MG Oral Tablet [Ojemda]) } Pack [Ojemda 500 MG Once Weekly Carton] tovorafenib	5,067	100%	T4	99.1%	-
{24 (tovorafenib 100 MG Oral Tablet [Ojemda]) } Pack [Ojemda 600 MG Once Weekly Carton] tovorafenib	5,067	100%	T4	99.1%	-
tovorafenib 300 MG Powder for Oral Suspension [Ojemda] tovorafenib	5,067	100%	T4	99.1%	-
taletrectinib 200 MG Oral Capsule [Ibtrozi] taletrectinib	5,067	100%	T4	99.4%	-
montelukast 4 MG Chewable Tablet montelukast	5,066	100%	T2	0%	3,063,882
montelukast 5 MG Chewable Tablet montelukast	5,066	100%	T2	0%	3,063,882
lovastatin 40 MG Oral Tablet lovastatin	5,066	100%	T2	0%	681,080
lovastatin 10 MG Oral Tablet lovastatin	5,066	100%	T2	0%	681,080
lovastatin 20 MG Oral Tablet lovastatin	5,066	100%	T2	0%	681,080
benazepril hydrochloride 5 MG Oral Tablet benazepril hydrochloride	5,066	100%	T2	0%	540,761
benazepril hydrochloride 10 MG Oral Tablet benazepril hydrochloride	5,066	100%	T2	0%	540,761
benazepril hydrochloride 20 MG Oral Tablet benazepril hydrochloride	5,066	100%	T2	0%	540,761
benazepril hydrochloride 40 MG Oral Tablet benazepril hydrochloride	5,066	100%	T2	0%	540,761
betamethasone 0.5 MG/ML Topical Cream betamethasone	5,066	100%	T2	0%	407,711
vancomycin 250 MG Oral Capsule vancomycin	5,066	100%	T3	7.9%	161,077
colestipol hydrochloride 1000 MG Oral Tablet colestipol hydrochloride	5,066	100%	T2	0%	141,803
chlorpromazine hydrochloride 30 MG/ML Oral Solution chlorpromazine hydrochloride	5,066	100%	T3	15.5%	37,336
cyclophosphamide 25 MG Oral Capsule cyclophosphamide	5,066	100%	T3	100%	1,621
cyclophosphamide 50 MG Oral Capsule cyclophosphamide	5,066	100%	T3	100%	1,621
albuterol 0.21 MG/ML Inhalation Solution albuterol	5,066	100%	T2	99.7%	1,487
albuterol 0.417 MG/ML Inhalation Solution albuterol	5,066	100%	T2	99.7%	1,487
sotatercept-csrk 60 MG Injection [Winrevair] sotatercept-csrk	5,066	100%	T4	99.4%	-
2 ML gentamicin 40 MG/ML Injection gentamicin	5,066	100%	T3	8.5%	-
hydrochlorothiazide 12.5 MG / valsartan 80 MG Oral Tablet hydrochlorothiazide	5,065	100%	T2	0%	4,902,174

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Source: CMS Quarterly Prescription Drug Plan Formulary PUF 2026. 6,046 drugs with RXCUI identifiers from NLM RxNorm. Coverage percentages based on 0 active Part D plans.

Compiled by Plainmedicare Editorial, Health Insurance Editorial Team