What a hospital stay costs per day, and why the per-day number misleads
A hospital stay has no per-day price. Medicare's inpatient system pays one amount for the whole stay, set by the billing group the stay is assigned to, and in the six groups tabulated below that national amount runs from $5,027.50 to $14,453.04 per stay, or $1,580.00 to $7,226.52 per day of average stay. The spread comes from the group, not from the day. What a Medicare patient owes per day is a separate and much simpler schedule: $0 for days 1 to 60 after a $1,736 deductible, then $434 a day.
These are Medicare payment amounts, which are not patient prices and not a hospital's charges. They describe how a stay is priced, not what care anyone needs. If a stay is planned, confirm your price in writing before service, and ask whether the contract that applies pays per case or per day.
The per-day number is a division, not a price
Take the Medicare payment for a whole stay and divide by the average number of days that kind of stay lasts. The result is a figure that looks like a daily rate, and it is the figure most "cost per day" searches are really after. The table does that division for six billing groups, called MS-DRGs, that CMS publishes with a relative weight and a geometric mean length of stay. The payment is the national base rate before any hospital-specific adjustment, so it describes a hypothetical hospital with a wage index of exactly 1.0.
| MS-DRG (CMS title, abridged) | Relative weight | Geometric mean stay (days) | National payment per stay | Divided by days |
|---|---|---|---|---|
| 470, major joint replacement without MCC | 1.9563 | 2.0 | $14,453.04 | $7,226.52 |
| 871, septicemia with MCC | 1.9320 | 4.8 | $14,273.52 | $2,973.65 |
| 806, vaginal delivery with CC | 0.7892 | 2.3 | $5,830.57 | $2,535.03 |
| 807, vaginal delivery without CC or MCC | 0.6805 | 2.0 | $5,027.50 | $2,513.75 |
| 292, heart failure and shock with CC | 0.8616 | 2.9 | $6,365.46 | $2,194.99 |
| 885, psychoses | 1.3901 | 6.5 | $10,269.98 | $1,580.00 |
Two groups with nearly the same weight, 470 and 871 at about 1.95 and 1.93, divide into $7,226.52 and $2,973.65 per day because one is a 2-day stay and the other a 4.8-day stay. A group with a lower weight, 885, divides into the lowest figure because its average stay is the longest. The per-day figure moves with the stay length as much as with the payment, which is the first reason it misleads. The groups are listed by their CMS titles, which are billing categories, and including them here says nothing about any person's condition or care.
How the per-case payment is built
The payment for a stay under the inpatient prospective payment system starts from two national base rates, an operating standardized amount and a capital rate, and multiplies each by the group's relative weight. For fiscal year 2027, the correction notice effective October 1, 2026 sets the operating amount, for a hospital whose wage index is exactly 1.0, at $4,519.68 labor-related plus $2,328.32 nonlabor-related when the labor share is 66%, or $4,245.76 plus $2,602.24 when it is 62%. Both pairs add to $6,848.00, which is why a hospital at an index of 1.0 gets the same operating base under either. The capital rate in the same tables is $539.95. In table form, the arithmetic for MS-DRG 885, weight 1.3901, is:
| Piece | Arithmetic | Amount |
|---|---|---|
| Operating base | 1.3901 x $6,848.00 | $9,519.40 |
| Capital base | 1.3901 x $539.95 | $750.58 |
| National payment per stay | Sum of the two | $10,269.98 |
| Divided by the 6.5-day geometric mean stay | $10,269.98 / 6.5 | $1,580.00 |
What the table leaves out is large. A real hospital's wage index changes the labor-related share. The capital rate is further scaled by a geographic adjustment. Teaching hospitals and hospitals serving many low-income patients receive add-on payments, new technology can add to a case, and unusually costly cases can qualify for outlier payments. None of those is modeled here, so none of the dollar figures is a payment to a particular hospital. CMS issued a correction to the August 4, 2026 final rule, effective October 1, 2026 for discharges on or after that date, and the tables on this page use the corrected files. The original August tables carried an operating amount of $6,848.98, a capital rate of $540.03 and weights that differ in the fourth decimal.
The guide on the layers of a childbirth bill uses two of these groups to place the hospital layer next to the clinician and anesthesia layers, and the guide on observation versus inpatient status explains why the label on a stay decides whether this system applies to it at all.
Hold the payment fixed and change the days
The per-case design has a consequence that a per-day figure hides. For an ordinary case in a given group, the national payment does not change with the number of days. Group 885 pays $10,269.98 in the table. Divide that same payment by three different stay lengths and the "daily rate" changes each time.
| Length of stay | Payment per stay (unchanged) | Divided by days |
|---|---|---|
| 3 days | $10,269.98 | $3,423.33 |
| 6.5 days (the group's geometric mean) | $10,269.98 | $1,580.00 |
| 12 days | $10,269.98 | $855.83 |
That is why the question "how much per day" has no stable answer. Anyone who quotes a daily rate is quoting an average over a particular mix of stays, and the same stay can be described as three different daily rates depending on the denominator. The per-day figure is useful for one narrow purpose, comparing the order of magnitude of different kinds of stays, and it is misleading for forecasting what a given stay will cost.
What the room line on a hospital bill means
On an itemized bill, a room line is often the first thing a family looks at because it reads like a daily rate. Medicare's rules show how little that line decides. The Medicare Benefit Policy Manual says the program pays the same amount for routine accommodation services whether the patient has a private room that was not medically necessary, a private room that was medically necessary, a semiprivate room of two, three or four beds, or ward accommodations. Medicare does not pay for deluxe accommodations in any case. A hospital with both private and semiprivate rooms may charge a patient a differential for a private room only if the room is not medically necessary and the patient or a relative asked for it and was told the amount at the time. The differential may not exceed the difference between the customary charge for the room and the most prevalent semiprivate rate when the patient was admitted.
Two things follow for a patient. The room is one line on a bill that also holds pharmacy, laboratory, supply and procedure lines, and a stay's payment does not scale with the room line. And a request for a private room is a decision with a price, which the hospital is required to state at the time. Hospital price files add a technical detail. Under the hospital price transparency rule, a standard charge may be given as a dollar amount or as a percentage or algorithm, and the code type may be a diagnosis-related group or a revenue center code (45 CFR 180.50). A file that lists a DRG is describing a case price. A file that lists a revenue center code is describing a line item that may be multiplied by days.
The one layer that really is billed by the day: the clinician's visit
The hospital's case payment covers the facility side of a stay. The doctors and other clinicians who see the patient bill separately, and their visits are priced per day because each daily visit is its own service. Medicare's 2026 fee schedule lists hospital inpatient or observation visit codes with the same amount whether the setting is labeled facility or not, so a single column suffices. The amounts below are for Michigan Locality 01 (Detroit).
| Code | CMS descriptor | Anchor |
|---|---|---|
| 99221, 99222, 99223 | First hospital inpatient or observation care, straightforward or low, moderate, high | $78.36, $121.39, $161.68 |
| 99231, 99232, 99233 | Subsequent hospital inpatient or observation care, straightforward or low, moderate, high | $45.64, $72.76, $110.28 |
| 99238, 99239 | Hospital discharge day management, 30 minutes or less, more than 30 minutes | $76.84, $109.19 |
Put together for an invented 5-day stay, with one first-day visit at the high level, three subsequent visits at the moderate level and a discharge visit of 30 minutes or less, the clinician anchors are $161.68, three times $72.76 ($218.28) and $76.84, a total of $456.80. For a Medicare patient this layer falls under Part B, so the patient pays the $283 deductible if it is not yet met and then 20 percent. With the deductible met, the share is $91.36. With nothing yet paid toward it, the share is $283 plus 20 percent of the remaining $173.80, which is $34.76, for $317.76. These amounts are separate from the hospital's case payment and from the Part A deductible, and none of them is ever added into a single "daily rate" on this site, since no source publishes one. The point of the table is that the only thing on a stay that is naturally a daily price is the clinician's visit, and it is a small piece of the whole.
What a Medicare patient owes per day
The patient's side of a Medicare Part A stay is not the DRG payment. It is a short schedule per benefit period, and Medicare.gov publishes the 2026 amounts.
| Days in the benefit period | What the patient pays, 2026 |
|---|---|
| Start of the benefit period | $1,736 deductible, once |
| Days 1 to 60 | $0 per day after the deductible |
| Days 61 to 90 | $434 per day |
| Days 91 to 150 | $868 per day, using up to 60 lifetime reserve days |
| After day 150 | All costs |
Three stays show how the schedule adds up, assuming the days are inpatient days in one benefit period and nothing else is owed. A 5-day stay costs the $1,736 deductible and nothing more, a total of $1,736. A 75-day stay costs $1,736 plus 15 days at $434, or $6,510, for $8,246. A 100-day stay costs $1,736, plus 30 days at $434 ($13,020) for days 61 to 90, plus 10 days at $868 ($8,680) for days 91 to 100, for $23,436. Doctors' services during the stay are billed under Part B, which carries its own deductible of $283 in 2026 and 20% coinsurance, and skilled nursing facility days after a hospital stay follow a different table, covered in the guide on observation status. For the first 60 days, the number that matters to a Medicare patient is the deductible, and the per-day arithmetic starts only after that.
One feature of the Part A schedule is easy to miss: the hospital's billing group does not appear in it. A stay that Medicare pays $5,027.50 for and a stay it pays $14,453.04 for leave the patient with the same $1,736 deductible, because the patient's share is set by days in the benefit period and not by the case payment. That is the opposite of a plan that charges coinsurance on the allowed amount, where a larger case payment makes a larger patient share. The two systems answer different questions, and mixing them is how a Medicare payment table gets misread as a patient price.
When the stay counts as inpatient at all
Everything above assumes the stay is billed as an inpatient admission. The Medicare Benefit Policy Manual says a patient is generally considered an inpatient if formally admitted as an inpatient with the expectation that they will require hospital care that is expected to span at least two midnights. It tells physicians to use that expectation as a benchmark, and it adds that the decision to admit is a complex medical judgment for the responsible physician. The label matters to the bill because a stay billed as outpatient observation is paid under different rules, and the Part A days in the table above do not start until an inpatient admission does. The guide on observation versus inpatient status works through the dollar difference, and the question to put to the hospital while the patient is still there is simply which status the stay has been given and when it began.
When a contract does count days
Not every payer pays per case. A contract between a hospital and a commercial plan can pay a case rate for a stay, a rate per day, or a percentage of the hospital's charges, and the patient's coinsurance applies to whichever amount results. This page does not know which one applies to any plan and does not claim any of them is common. What it can do is show why the difference matters to a patient, with invented numbers. Suppose a case rate of $12,000 for a stay, against a per-day rate of $3,500, and a plan with 20% coinsurance and a deductible already met.
| Stay length | Case rate $12,000 | Patient share at 20% | Per-day rate $3,500 | Patient share at 20% |
|---|---|---|---|---|
| 3 days | $12,000 | $2,400.00 | $10,500 | $2,100.00 |
| 6 days | $12,000 | $2,400.00 | $21,000 | $4,200.00 |
Under the case rate, a longer stay changes nothing for the patient. Under the per-day rate, doubling the days doubles the share. The two contracts cross between 3 and 4 days, since a third day brings the per-day total to $10,500, still under the case rate, and a fourth day to $14,000, above it. This is the reason to ask the question in the right form. "What will a day cost" gets an answer that is an average. "Is the rate for this admission per case, per day, or a percentage of charges, and what is it for the group you expect me to be assigned to" gets the contract term.
The price file has a field that answers the case-versus-day question directly. The CMS data dictionary for the machine-readable file, version 3.0, which incorporates the CY2026 outpatient payment rule, defines a "standard charge methodology" for each payer-specific negotiated charge, and its valid values are a case rate, a fee schedule, a percent of total billed charges, a per diem and other. The dictionary defines a case rate as a flat rate for a package of items and services triggered by a diagnosis, treatment or condition for a designated length of time, and a per diem as the per day charge for providing hospital items and services. The same dictionary has fields for the median, 10th percentile and 90th percentile allowed amounts a hospital has historically received from a payer for an item or service. A patient who finds their plan and the code in the file can read off whether the plan's contract is a case rate or a per diem, and the percentile fields show the spread of what the plan has actually allowed. The file also carries the hospital's list price, which is not a patient price and is not a figure to plan around.
Before a planned admission: what to ask for
A planned admission gives time to ask, and the answers should come in writing. Five questions cover the ground. First, which diagnosis-related group does the hospital expect the stay to be assigned to? Second, is the contracted payment for that group a case rate, a per-day rate or a percentage of charges? Third, does the plan treat this as an inpatient admission or as outpatient observation, since that decides which system applies? Fourth, which clinicians will bill separately, such as the surgeon, the anesthesia group, the radiologist and the hospitalist, and are they in network? Fifth, what is the written estimate for the facility and for each of those clinicians?
A person who does not have insurance, or chooses not to use it, is entitled by federal rule to a written Good Faith Estimate for a scheduled service, covering the hospital and the expected clinicians. The timing and the $400 dispute threshold are in the guide on Good Faith Estimates, and the questions in the guide on questions to ask billing before a procedure apply as well. No self-pay price per day or per stay is published on this site, because none meets the site's verification rule.
After the stay: the second per-day schedule
Medicare.gov publishes one more schedule that really is priced by the day, for a skilled nursing facility stay in a benefit period: days 1 to 20 cost $0 a day after the Part A deductible, days 21 to 100 cost $217 a day in 2026, and from day 101 the patient pays all costs. It also says the patient does not pay the Part A deductible again for skilled nursing facility care if it was already paid for hospital care in the same benefit period. A 45-day stay, with nothing else owed, therefore costs 25 days at $217, which is $5,425, and a 100-day stay costs 80 days at $217, which is $17,360. The rules for qualifying for skilled nursing coverage after a hospital stay are covered in the guide on observation status, since the label on the hospital stay is what decides them. The reason to mention the schedule here is that it shows what a true per-day price looks like: a fixed number set in advance, the same for every patient, tied to the day count and to nothing the facility chooses.
Three phrases that sound like a price and what each one is
- "The room rate." A line on an itemized bill or a figure in a price file for accommodation. It is a list price for one component, and Medicare's rule that it pays the same for private, semiprivate or ward accommodation shows how little the line decides for a Medicare stay. Ask whether it is a charge or a contracted rate.
- "The average cost per inpatient day." A statistic that divides a hospital's or a state's total expense by total patient days. It mixes every kind of stay and every kind of cost, and it describes the hospital, not your bill. Ask what the figure was divided by.
- "The per diem." A contract methodology that, where it applies, is the one case in which the day count multiplies the payment. The price file's methodology field says whether a plan's contract is a per diem or a case rate, and the contract term is the number to ask for.
None of the three is the amount the patient will owe. The patient's share comes from the plan's deductible, coinsurance and limit, or from Medicare's schedules above, applied to the payment the contract or the fee schedule produces.
Hospital stay cost: your questions
Is there an average price for one day in the hospital?
Not one that this page can verify from a primary source. Published daily averages tend to divide total spending by total days, which mixes intensive care with routine stays and charges with payments. What can be shown from CMS files is the payment for a whole stay in each billing group and the average number of days in that group, and dividing one by the other gives a different answer for every group, from $1,580.00 to $7,226.52 in the table above.
If I stay an extra day, does Medicare pay the hospital more?
For an ordinary case, not for the day itself. Medicare's inpatient payment is set per stay for the assigned group, and the group's weight already assumes an average stay length. Extra payment exists only for unusually costly cases, through separate outlier rules that this page does not model. What can change with an extra day is the patient's own share, once a benefit period passes day 60.
Does the room charge on my bill depend on whether I had a private room?
Under Medicare, no. The Benefit Policy Manual says the program pays the same for routine accommodations whether the room is private and not medically necessary, private and medically necessary, semiprivate or ward. A hospital may charge a private-room differential only if the patient requested the private room, was told the amount at the time, and the room was not medically necessary, and the differential is limited to the customary charge minus the most prevalent semiprivate rate.
Why does a per-day number appear in so many estimates if it is not a price?
Because it is easy to compute and easy to compare. Some contracts do pay by the day, in which case it is the real price, and a stay's length then multiplies the bill. Others pay per case, and the same division is only an average. Whether a given plan's contract does one or the other is a fact to ask for, and the hospital's price file may show it in the way it describes the standard charge.
What do I owe per day on Medicare Part A?
In 2026, $1,736 once per benefit period as the deductible, then nothing per day for days 1 to 60, $434 per day for days 61 to 90, and $868 per day for up to 60 lifetime reserve days from day 91, per Medicare.gov. After that the patient pays all costs. Doctors' services during the stay are billed under Part B, with their own deductible and 20% coinsurance.
I am not using insurance and an admission is scheduled. What can I ask for?
A written Good Faith Estimate that includes the hospital's own charges for the stay and the expected clinicians, which hospitals and clinicians must give to people who do not have or do not use insurance when the service is scheduled. The guide on Good Faith Estimates explains the timing and the dispute right if the final bill exceeds it by $400 or more.
Files and dates behind the figures
CMS, FY 2027 IPPS final rule Tables 1A to 1E (file marked CMS-1849-CN, the correction-notice version; operating amounts $4,519.68 plus $2,328.32 and $4,245.76 plus $2,602.24; capital rate $539.95) and Table 5 (relative weights and geometric mean length of stay), https://www.cms.gov/files/zip/fy2027-ipps-fr-table-1a-1e.zip and https://www.cms.gov/files/zip/fy2027-ipps-fr-table-5.zip, read October 23, 2026. Federal Register public inspection document 2026-19946, correction of FR Doc. 2026-15833 (August 4, 2026; 91 FR 49570), effective October 1, 2026, https://public-inspection.federalregister.gov/2026-19946.pdf, read October 23, 2026. Medicare.gov, Medicare costs, Part A deductible and daily amounts for 2026, https://www.medicare.gov/basics/costs/medicare-costs, read October 23, 2026. Medicare Benefit Policy Manual, chapter 1, section 10.1.1 on accommodations, https://www.cms.gov/Regulations-and-Guidance/Guidance/Manuals/Downloads/bp102c01.pdf, read October 23, 2026. 45 CFR 180.50, hospital standard charges and code types, eCFR current text, read October 23, 2026. The Part B deductible of $283 is from the CMS 2026 premiums and deductibles fact sheet. Payments by group are the national base amounts before wage index, geographic, teaching, disproportionate share, new technology and outlier adjustments, and are not payments to any hospital. The case-rate and per-day contract example is invented.