Medicare Part A Hospital Bills: Deductible, Benefit Periods, and Daily Coinsurance (2026)

In 2026, Original Medicare Part A has a $1,736 inpatient hospital deductible for each benefit period. After you pay it, you pay $0 a day for days 1–60 of a covered inpatient stay, $434 a day for days 61–90, and $868 a day for each lifetime reserve day after that. A new benefit period, with a new deductible, can start once you've been out of the hospital and skilled nursing care for 60 days in a row.

What does Part A cover in a hospital stay?

Part A is hospital insurance. When you're formally admitted as an inpatient with a doctor's order, Part A covers the hospital's part of your stay: a semi-private room, meals, nursing care, and the drugs and supplies you get as part of inpatient treatment.

Doctors who see you in the hospital usually bill separately under Part B. So after one hospital stay you may see:

• A hospital bill, which falls under Part A.
• Bills from doctors, surgeons, and specialists, which fall under Part B. These have the Part B deductible and usually 20% coinsurance.

If you were kept under observation, you were an outpatient, and the hospital bills under Part B instead. Our article on observation status explains the difference.

What are the 2026 Part A amounts?

The Centers for Medicare & Medicaid Services (CMS) published these 2026 Part A cost-sharing amounts:

Medicare.gov says that after your lifetime reserve days are used up, you pay all costs.

If you have a Medicare Advantage plan, your plan sets its own hospital costs. Medicare.gov notes you may be charged copayments during the first 60 days. Check your plan's Evidence of Coverage for the amounts.

What is a benefit period?

A benefit period is how Original Medicare measures your use of hospital and skilled nursing facility care. It starts the day you're admitted as an inpatient. It ends when you haven't had inpatient hospital care or skilled care in a skilled nursing facility for 60 days in a row.

This matters for your bill in two ways:

• You can pay the deductible more than once a year. If you go into the hospital in February and again in August, with more than 60 days at home in between, those are two benefit periods and two deductibles.
• You may pay only one deductible for two stays. If you're readmitted within 60 days of leaving, you're usually still in the same benefit period, so you shouldn't be charged the deductible again.

There's no limit to the number of benefit periods you can have.

What are lifetime reserve days?

Medicare gives you 60 lifetime reserve days. They're extra days Medicare will help pay for if a hospital stay lasts more than 90 days in a benefit period. Unlike benefit periods, they don't renew. Once you use one, it's gone for good.

Long stays like this are rare, but if you see lifetime reserve days on a Medicare Summary Notice (MSN), it's worth reading closely.

How do I check a Part A hospital bill?

Start with your Medicare Summary Notice (MSN) for Part A. It lists the hospital, dates of service, and what you may be billed. Then compare the hospital bill against it:

1. Was the stay inpatient? The MSN for Part A will show the inpatient claim. If you see the hospital charges on a Part B MSN, you were likely an outpatient under observation for at least part of the stay.
2. Is the deductible charged only once? Check whether a second deductible was charged for a readmission within 60 days.
3. Do the dates match? Count the days. The day you leave usually isn't counted as an inpatient day.
4. Does the amount you owe match the MSN? The "maximum you may be billed" on your MSN is the limit for Medicare-covered services. If the hospital bill is higher, call and ask why.
5. Did your other coverage pay? If you have Medigap or a retiree plan, the bill should show their payment. Most Medigap plans cover all or part of the Part A deductible.

If something doesn't match, ask the hospital for an itemized bill.

What if I can't afford the Part A deductible?

You have some options to look into:

• Medigap. Most Medigap plans pay all or part of the Part A deductible. Check your plan.
• Hospital financial assistance. Nonprofit hospitals must have a written financial assistance policy. Ask for an application.
• Medicare Savings Programs. The Qualified Medicare Beneficiary (QMB) program can help pay Part A and Part B deductibles and coinsurance if you qualify.
• A payment plan. Some hospitals will set one up if you ask.

Can I appeal a Part A hospital claim?

Yes. If Medicare denied coverage, follow the appeal instructions on your MSN. If you think the hospital is discharging you too soon, you have a separate right to a fast appeal. Medicare.gov says the hospital should give you a notice called "An Important Message from Medicare about Your Rights" within 2 days of admission and before discharge, and that you should ask for it if you don't get one. Follow its directions no later than the day you're scheduled to leave (see medicare.gov/providers-services/claims-appeals-complaints/appeals/fast-appeals).

Frequently asked questions

What is the Medicare Part A deductible for 2026?

CMS set it at $1,736 for each benefit period in 2026.

Can I pay the Part A deductible twice in one year?

Yes. The deductible applies to each benefit period, so two separate stays more than 60 days apart can mean two deductibles.

Do I pay anything for the first 60 days in the hospital?

In Original Medicare, after the deductible you pay $0 a day for days 1–60 of a covered inpatient stay. Doctors' services are billed separately under Part B.

Does Medigap cover the Part A deductible?

Most Medigap plans cover all or part of it. Check your plan's benefits.

Want help checking a hospital bill?

Bill Review Coach is a monthly medical bill review service for seniors and their families. Snap a photo of your hospital bill and your Medicare Summary Notice, and we'll send back a plain-English summary of what matches, what doesn't, and what to say when you call. You make the calls and write the emails; we help you know what to say.