Updated September 29, 2026. Quick answer. The Medicare Part A inpatient hospital deductible (what you pay per benefit period before Part A coverage kicks in) is $1,736 for 2026, up $60 from $1,676 in 2025. This is a separate, much larger figure than the Part B annual deductible ($283 for 2026): Part A is triggered per hospital stay, Part B is an annual amount for outpatient and doctor services. Coinsurance for a longer stay: $434 a day for days 61–90, $868 a day for lifetime reserve days, and $217 a day for skilled nursing facility days 21–100. The 2027 Part A deductible is not yet announced; CMS has published it between late September and mid-November in recent years (Federal Register notices on Sep 29, 2022, Oct 17, 2023, Nov 14, 2024 and Nov 19, 2025); the statute’s target window is September 1 to 15.
The 2026 Part A figures: the 2026 Part A deductible and the 2026 Part A premium.
The 2026 Part B figures: the 2026 Medicare Part B deductible and the 2026 Medicare Part B premium.
Related figures and codes: FSA Contribution Limit 2027, Highly Compensated Employee Limit 2027 and HSA Contribution Limits 2027.
What’s actually settled, vs. still open
Settled for 2026 (CMS Fact Sheet, “2026 Medicare Parts A & B Premiums and Deductibles,” published November 14, 2025): $1,736 deductible; $434/day coinsurance for hospital days 61–90; $868/day for lifetime reserve days; $217/day for skilled nursing facility days 21–100. The Federal Register’s companion notice shows the actual calculation: $1,676 × 1.0262 (payment-weighted rate increase) × 1.009 (real case-mix growth factor) = $1,735.39, rounded to the nearest $4 to reach $1,736.
Open: the 2027 deductible, governed by §1813(b) of the Social Security Act (42 U.S.C. §1395e(b)). Unlike most figures on this page’s sibling pages, this one is not wage-indexed and not COLA-tied: it’s set by a CMS actuarial formula built on projected hospital payment-rate trends and case-mix growth, rounded to the nearest $4, so it can’t be estimated from a simple inflation index the way most figures on this site can.
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How our partner relationships workThe numbers, year by year
| Year | Part A inpatient deductible |
|---|---|
| 2022 | $1,556 |
| 2023 | $1,600 |
| 2024 | $1,632 |
| 2025 | $1,676 |
| 2026 | $1,736 |
| 2027 | not yet announced |
The Trustees Report’s 2027 estimate
The 2026 Medicare Trustees Report (dated June 9, 2026), Table V.E1 on page 206, shows $1,788 as its intermediate-assumption estimate of the 2027 Part A inpatient hospital deductible, with $447 for days 61-90, $894 for lifetime reserve days and $223.50 for skilled nursing facility days 21-100. That is a Trustees projection, not CMS’s determination: CMS sets the actual 2027 amount under §1813(b) and has not yet published it, so treat $1,788 as an estimate that can change.
Sources
The Part A deductible and coinsurance amounts on this page were checked against CMS’s 2026 fact sheet, the Federal Register notice for each year and the 2026 Medicare Trustees Report on September 29, 2026.
2026 figure: CMS Fact Sheet, “2026 Medicare Parts A & B Premiums and Deductibles,” published 2025-11-14, read at cms.gov/newsroom on 2026-09-04; calculation cross-confirmed via the Federal Register’s companion notice, “Medicare Program; CY 2026 Inpatient Hospital Deductible and Hospital and Extended Care Services Coinsurance Amounts,” document 2025-20249, published 2025-11-19. Statute: Social Security Act §1813(b) (42 U.S.C. §1395e(b)). No official 2027 determination had been published as of September 29, 2026; the 2026 Medicare Trustees Report (Table V.E1) projects $1,788.
This page is updated the day the official figure is announced, and any projection above will be struck through rather than deleted, so the record of what was projected vs. what actually happened stays visible. See the 2027 numbers hub for every figure this program tracks, projected vs. official. General information, not tax or legal advice.