Medicare Part D coverage · 90 · RxCUI 848330

90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring]

Per the CMS 2026 Part D formulary file, 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] is covered by 3,165 Medicare Part D plans (62.6% of enrollable products), averaging Tier 3.5, with prior authorization required on 0% of covering formularies.

62.6%
Plan coverage
3,165
Plans covering
T3.5
Avg tier
0%
Prior auth required

Verify with CMS →

Important: Drug coverage and costs vary by plan and location. Verify coverage directly with your Medicare plan before filling a prescription. This is informational data only and should not replace advice from your healthcare provider or pharmacist.

What the CMS Formulary Data Shows for 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring]

Per the CMS 2026 Part D formulary file, 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] (RxNorm concept RXCUI 848330, generic name 90) appears on 102 distinct formulary files spanning 3,165 Medicare Part D plan offerings - 62.6% of enrollable Part D products, mid-range placement; shopping across contracts changes access. Tier placement ranges from Tier 1 to Tier 4, with a cross-plan average of Tier 3.5.

Real-world access to 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] depends on utilization management as much as tier placement: 0% of covering formularies require prior authorization. 0% require step therapy. 39.2% apply quantity limits.

Historical spending context from the CMS Medicare Part D Drug Spending Dashboard shows 33,506 Part D beneficiaries filled 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] in 2023, with total plan-and-beneficiary spending of $50,334,382 and an average per-beneficiary annual cost of $1,502.25. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] today.

Coverage Details

Formularies covering
102
Plans covering
3,165
Coverage rate
62.6%
Tier range
Tier 1 – Tier 4
Average tier
Tier 4, Non-Preferred

Restrictions

Prior authorization required
0% of formularies
Step therapy required
0% of formularies
Quantity limits
39.2% of formularies

2023 Medicare Spending

Beneficiaries
33,506
Total spending
$50,334,382
Avg per beneficiary
$1,502.25

Tier Distribution Across Plans

38 plans
Tier 1, Preferred Generic
5 plans
Tier 2, Generic
57 plans
Tier 3, Preferred Brand

Medicare Advantage Plans (MA-PD) Covering 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring]

100 Medicare Advantage plans with Part D drug coverage include this drug.

Plan Insurer Tier PA Premium States
Gold Coast Health Plan Total Care Advantage (HMO D-SNP) Ventura County Medi-Cal Managed Care Commission T1 No $0 CA
Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) Health Care Service Corporation T1 No $0 NM
Blue Cross MA Dual Care Plus Preferred (PPO D-SNP) Health Care Service Corporation T1 No $0 NM
SecureBlue (HMO D-SNP) HMO Minnesota T1 No $0 MN
NaviCare (HMO D-SNP) Fallon Community Health Plan T1 No $0 MA
Hamaspik Medicare Choice (HMO D-SNP) Hamaspik, Inc. T1 No $0 NY
Provider Partners Pennsylvania Community Plan (HMO I-SNP) Provider Partners Health Plan OF Pennsylvania, Inc T1 No $0 PA
Provider Partners North Carolina Community Plan (HMO I-SNP) Provider Partners Health Plan OF North Carolina T1 No $0 NC
Provider Partners Indiana Community Plan (HMO I-SNP) Provider Partners Health Plan OF Indiana T1 No $0 IN
Provider Partners Missouri Community Plan (HMO I-SNP) Provider Partners Health Plan OF Missouri, Inc. T1 No $0 MO
Community Care's Partnership Program (HMO D-SNP) Community Care Health Plan, Inc. T1 No $0 WI
Mass General Brigham SCO (HMO D-SNP) Mass General Brigham Health Plan, Inc T1 No $0 MA
Mass General Brigham One Care (HMO D-SNP) Mass General Brigham Health Plan, Inc T1 No $0 MA
Highmark Wholecare Medicare Assured Diamond (HMO D-SNP) Gateway Health Plan, Inc. T1 No $0 PA
Highmark Wholecare Medicare Assured Diamond (HMO D-SNP) Gateway Health Plan, Inc. T1 No $0 PA
Highmark Health Options Duals (HMO D-SNP) Highmark Health Options West Virginia Inc. T1 No $0 WV
Highmark Health Options Duals (HMO D-SNP) Highmark Bcbsd, Inc. T1 No $0 DE
Tufts Health One Care (HMO D-SNP) Tufts Health Public Plans, Inc. T1 No $0 MA
Tufts Health One Care CW (HMO D-SNP) Tufts Health Public Plans, Inc. T1 No $0 MA
Tufts Health Plan Senior Care Options (HMO D-SNP) Tufts Associated Health Maintenance Organization T1 No $0 MA
Show the next 30 plans
Tufts Health Plan Senior Care Options CW (HMO D-SNP) Tufts Associated Health Maintenance Organization T1 No $0 MA
Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) Hcsc Insurance Services Company T1 No $4.80 TX
Provider Partners Texas Advantage Plan (HMO I-SNP) Provider Partners Health Plan OF Texas, Inc. T1 No $4.80 TX
Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) GHS Insurance Company T1 No $5.00 OK
Highmark Wholecare Medicare Assured Ruby (HMO D-SNP) Gateway Health Plan, Inc. T1 No $13.10 PA
Provider Partners Illinois Advantage Plan (HMO I-SNP) Provider Partners Health Plan OF Illinois T1 No $15.20 IL
Highmark Wholecare Medicare Assured Ruby (HMO D-SNP) Gateway Health Plan, Inc. T1 No $17.60 PA
Highmark Health Options Duals Select (HMO D-SNP) Highmark Bcbsd, Inc. T1 No $31.20 DE
Provider Partners Pennsylvania Advantage Plan (HMO I-SNP) Provider Partners Health Plan OF Pennsylvania, Inc T1 No $32.70 PA
Provider Partners Pennsylvania Essential Plan (HMO I-SNP) Provider Partners Health Plan OF Pennsylvania, Inc T1 No $32.70 PA
Hamaspik Medicare Select (HMO D-SNP) Hamaspik, Inc. T1 No $34.50 NY
Provider Partners North Carolina Advantage Plan (HMO I-SNP) Provider Partners Health Plan OF North Carolina T1 No $36.20 NC
Provider Partners North Carolina Essential Plan (HMO I-SNP) Provider Partners Health Plan OF North Carolina T1 No $36.20 NC
Provider Partners Indiana Advantage Plan (HMO I-SNP) Provider Partners Health Plan OF Indiana T1 No $38.40 IN
Provider Partners Indiana Essential Plan (HMO I-SNP) Provider Partners Health Plan OF Indiana T1 No $38.40 IN
Provider Partners Kentucky Advantage Plan (HMO I-SNP) Provider Partners Health Plan OF Kentucky T1 No $38.40 KY
Provider Partners Missouri Advantage Plan (HMO I-SNP) Provider Partners Health Plan OF Missouri, Inc. T1 No $43.00 MO
Provider Partners Missouri Essential Plan (HMO I-SNP) Provider Partners Health Plan OF Missouri, Inc. T1 No $43.00 MO
BlueCare Plus (HMO D-SNP) Volunteer State Health Plan T2 No $0 TN
BlueCare Plus Choice (HMO D-SNP) Volunteer State Health Plan T2 No $0 TN
BlueCare Plus Select (HMO D-SNP) Volunteer State Health Plan T2 No $0 TN
CareAdvantage (HMO D-SNP) SAN Mateo Health Commission T2 No $0 CA
CalOptima Health OneCare Complete (HMO D-SNP) Orange County Health Authority T2 No $0 CA
HAP Medicare Explore (PPO) Alliance Health AND Life Insurance Company T3 No $0 MI
HAP Medicare Prime (PPO) Alliance Health AND Life Insurance Company T3 No $0 MI
HAP Medicare Connect (HMO) Health Alliance Plan OF Michigan T3 No $0 MI
HAP Medicare Complete Duals (HMO D-SNP) Health Alliance Plan OF Michigan T3 No $0 MI
HAP Medicare Superior (HMO) Health Alliance Plan OF Michigan T3 No $0 MI
Henry Ford Select (HMO) Health Alliance Plan OF Michigan T3 No $0 MI
Providence Medicare Extra Part B Only + Rx (HMO) Providence Health Assurance T3 No $0 OR

Showing top 50 of 100 plans.

Frequently Asked Questions

Is 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] covered by Medicare Part D?

Yes, 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] is covered by 3,165 Medicare Part D plans (62.6% of all Part D formularies).

What tier is 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] on Medicare Part D plans?

90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] averages Tier 3.5 across Part D plans, ranging from Tier 1 to Tier 4.

Does 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] require prior authorization?

0% of Part D formularies require prior authorization for 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring]. Step therapy: 0%. Quantity limits: 39.2%.

How much does Medicare spend on 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring]?

In 2023, total Medicare Part D spending on 90 DAY estradiol 0.000313 MG/HR Vaginal System [Estring] was $50,334,382, covering 33,506 beneficiaries. The average spend per beneficiary was $1,502.25.

Nationwide similar Part D drugs

Data-derived peers across the CMS Part D formulary extract: nearest average tier placement and nearest prior-authorization rate. Not therapeutic alternatives or same-generic strengths.

Data sourced from the Centers for Medicare & Medicaid Services (CMS). See our methodology for details. Retrieved and formatted by PlainMedicare