Medicare drug coverage

Shingrix in Texas: 2027 Part D coverage

412 of 412 Part D plans offered in Texas (100%) list Shingrix on their 2027 formulary, the same share as 2026. 74% of those require prior authorization, step therapy, or a quantity limit.

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Texas compared with the nation

74% of the 412 Part D plans offered in Texas leave Shingrix off the 2027 formulary or restrict it, against 73% nationally (1 point higher). Texas ranks 25 of 51 from most to least restrictive. A plan offered in several states counts in each.

Shingrix in every state and by parent organization

Source: CMS CY2027 landscape file (states and parent organizations), as of September 30, 2026. Publisher page

Source: CMS 2027 Part D formulary file (basic drugs and plan information), as of October 8, 2026. Publisher page

2027 compared with 2026

Shingrix Part D coverage, 2026 and 2027
Measure20262027Change
Part D plans in the file408412+4
Plans that list it408 (100%)412 (100%)no change
Prior authorization (of plans that list it)82 (20%)0 (0%)-20 points
Step therapy (of plans that list it)0 (0%)0 (0%)no change
Quantity limit (of plans that list it)307 (75%)304 (74%)-1 point
Any of the three (of plans that list it)307 (75%)304 (74%)-1 point
Not listed or restricted (of all plans)307 (75%)304 (74%)-1 point

Source: CMS 2027 Part D formulary file (basic drugs and plan information), as of October 8, 2026. Publisher page

Source: CMS 2026 Part D formulary file (basic drugs and plan information), as of September 30, 2026. Publisher page

Formulary tier

Shingrix formulary tier, 2026 and 2027
Tier2026 plans2027 plans
Tier 1201 (49%)235 (57%)
Tier 3146 (36%)150 (36%)
Tier 40 (0%)27 (7%)
Tier 661 (15%)0 (0%)

Source: CMS 2027 Part D formulary file (basic drugs and plan information), as of October 8, 2026. Publisher page

Source: CMS 2026 Part D formulary file (basic drugs and plan information), as of September 30, 2026. Publisher page

Plan by plan, 2026 to 2027

Shingrix: plans in both 2026 and 2027
Plan by planPlans
Same plan id in both years312
Listed it in 2026, not in 20270 (0%)
Listed it in 2027, not in 20260 (0%)
Moved it to a higher tier7 (2%)
Added prior authorization0 (0%)
Added step therapy0 (0%)
Added a quantity limit3 (1%)
Added at least one of the three3 (1%)
Removed at least one of the three63 (20%)
Plan ids new in 2027100
2026 plan ids not in the 2027 file96

Source: CMS 2027 Part D formulary file (basic drugs and plan information), as of October 8, 2026. Publisher page

Source: CMS 2026 Part D formulary file (basic drugs and plan information), as of September 30, 2026. Publisher page

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Shingrix in other states

Source: CMS CY2027 landscape file (states and parent organizations), as of September 30, 2026. Publisher page

Source: CMS 2027 Part D formulary file (basic drugs and plan information), as of October 8, 2026. Publisher page

About this data

A plan here is one Part D plan as the CMS formulary files list it: contract, plan, and segment. That covers Medicare Advantage plans with drug coverage and stand-alone drug plans. A plan lists a drug when its formulary has a row for any RxNorm product of that name. When it has several, the row with the lowest tier is the one counted, and restricted means that row has prior authorization, step therapy, or a quantity limit.

A plan with no row for the drug counts as not listing it. That can be a product the file codes another way, so read a low count as a lookup result, not a coverage decision. A state counts every plan the CMS landscape file offers there. Parent organizations are named as CMS names them. The drug list is the top 200 by total Part D spending.

Source: CMS 2027 Part D formulary file (basic drugs and plan information), as of October 8, 2026. Publisher page

Source: CMS CY2027 landscape file (states and parent organizations), as of September 30, 2026. Publisher page

Source: CMS Medicare Part D Spending by Drug, 2024 data, as of June 25, 2026. Publisher page

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