The rule increases IPPS operating payment rates by 2.3 percent, creates three new MS-DRG families covering spinal fusion, periprosthetic joint infection, and cardiac pacemaker revision, makes electronic prior authorization a mandatory Promoting Interoperability measure beginning in CY 2028, and expands joint replacement bundled payment into a mandatory nationwide model starting January 1, 2028.
This summary covers all 892 Federal Register pages in the order a revenue cycle team needs them: what the money does, what changed between the April proposal and the July final rule, which codes are new, which quality measures start when, and what each provision does to denial volume before October 1.
The short version
Five things to take away
Operating payment rates rise 2.3 percent, a 3.2 percent market basket increase reduced by a 0.9 percentage point productivity adjustment.
CMS moved on nearly every headline number between April and July, so any analysis based on the proposed rule is now out of date.
Three new MS-DRG families arrive October 1, and each one is a fresh coding, documentation, and audit target.
CJR-X becomes a mandatory nationwide joint replacement bundle on January 1, 2028.
Electronic prior authorization is optional in CY 2027 and mandatory in CY 2028. That is the highest impact revenue cycle provision in the rule.
Overview
The rule at a glance
Two file codes, one combined document, and a hard effective date that lands at the start of the federal fiscal year.
CMS issued a summary fact sheet on the day the rule dropped, and the complete text sits in the Federal Register under document number 2026-15833.
| Item | Value |
|---|---|
| File codes | CMS-1849-F and CMS-0062-F |
| Issued | July 31, 2026 |
| Published | August 4, 2026 |
| Federal Register citation | 91 FR 49570 |
| FR document number | 2026-15833 |
| Length | 892 Federal Register pages |
| Effective date | October 1, 2026 |
Payment rates
Payment rates and aggregate impact
The IPPS operating payment rate increases 2.3 percent. That figure reflects a projected FY 2027 hospital market basket increase of 3.2 percent reduced by a 0.9 percentage point productivity adjustment. Hospitals earn the full update only if they successfully participate in the Hospital Inpatient Quality Reporting program and qualify as meaningful electronic health record users. The aggregate figures below are the estimates CMS published in its FY 2027 fact sheet.
Uncompensated care payments rise approximately 2.9 percent to an estimated $7.94 billion. DSH Factor 1 is finalized at $11,825,250,000 and Factor 2 at 67.14 percent, up from the 65.00 percent CMS proposed in April.
Proposed versus final
What CMS moved between April and July
CMS moved on nearly every headline number. This comparison is underreported and worth understanding before you rely on any April 2026 analysis.
| Item | Proposed, April 2026 | Final, July 2026 |
|---|---|---|
| IPPS rate update | 2.4 percent | 2.3 percent |
| Productivity adjustment | 0.8 percentage points | 0.9 percentage points |
| Uncompensated care total | $7.46 billion | Approximately $7.94 billion |
| DSH Factor 2 | 65.00 percent | 67.14 percent |
| LTCH update | 2.4 percent | 2.3 percent |
| Organ acquisition reconciliation | As proposed | Two year delayed implementation |
| Promoting Interoperability referral loop removal | As proposed | Delayed one additional year |
Coding
Which MS-DRGs are new in FY 2027?
CMS finalized three new MS-DRG families. Each represents a severity or complexity split of an existing group, which means each is a new coding, documentation, and audit target.
| MS-DRG | Description | Specialty |
|---|---|---|
| 523, 524, 525 | Extensive and complex spinal fusion | Spine surgery, neurosurgery |
| 403, 404 | Hip and knee procedures involving periprosthetic joint infection | Orthopedics |
| 210, 211 | Cardiac pacemaker revision and replacement | Cardiology, electrophysiology |
CMS also refined the reimbursement methodology for CAR-T therapies, including updates to MS-DRG 018, and reclassified ten ICD-10-CM diagnosis codes describing homelessness and inadequate housing. The homelessness reclassification affects CC and MCC capture across every service line.
Relative weights were recalibrated using FY 2025 MedPAR claims covering approximately 6.9 million discharges and FY 2024 Medicare cost report data. Code level assignments are in the Table 6 and Table 6P series on the CMS FY 2027 IPPS Final Rule Home Page.
Quality programs
Quality program changes by payment year
The rule reshuffles measures across five programs. Most changes affect payment determinations in FY 2028 through FY 2032, but data collection begins well before those years.
Hospital Inpatient Quality Reporting
Three measures added: Excess Days in Acute Care After Hospitalization for Diabetes beginning FY 2029, and the Hospital Harm Postoperative Venous Thromboembolism and Advance Care Planning eCQMs beginning FY 2030. Three eCQMs are removed beginning FY 2030: Venous Thromboembolism Prophylaxis, Intensive Care Unit Venous Thromboembolism Prophylaxis, and Discharged on Antithrombotic Therapy.
Hospital Readmissions Reduction Program
A new sepsis readmission measure. Two years of confidential early look reports during FY 2028 and FY 2029, entering payment reduction calculations beginning FY 2030.
Hospital Acquired Condition Reduction Program
No changes this year.
Hospital Value Based Purchasing
Five condition and procedure specific mortality measures are modified beginning FY 2032.
The Medicare Advantage change
Several measures across programs now include Medicare Advantage data in claims based calculations. CMS cites Medicare Advantage exceeding half of all Medicare beneficiaries as the rationale. Performance periods also shorten from three years to two on multiple measures.
Prior authorization
When does electronic prior authorization become mandatory?
The Electronic Prior Authorization measure is an optional bonus measure for the EHR reporting period in CY 2027 and becomes mandatory beginning with the EHR reporting period in CY 2028.
Other Promoting Interoperability changes
- Unique Device Identifiers for Implantable Medical Devices added to the Public Health and Clinical Data Exchange objective beginning CY 2027
- ONC Direct Review and ONC Authorized Certification Body Surveillance attestations removed beginning CY 2026
- Removal of both Support Electronic Referral Loops measures delayed one additional year, to CY 2029
The optional to mandatory transition is the highest impact revenue cycle provision in this rule.
Bundled payment
What is CJR-X and when does it start?
CJR-X expands the Comprehensive Care for Joint Replacement Model into a mandatory nationwide bundled payment model. It covers hip, knee, and ankle replacements, collectively described as lower extremity joint replacements, performed in both inpatient and hospital outpatient settings. It begins January 1, 2028. CMS estimates $725 million in savings across five performance years.
CMS separately refined the Transforming Episode Accountability Model, expanding eligible spinal fusion episodes including three MS-DRGs that initiate a spinal fusion anchor hospitalization, aligning attribution and quality measurement with other CMS programs, updating target price methodologies, and modifying normalization factors.
Everything else
Remaining provisions
Graduate medical education
Approved residency programs must not discriminate, or promote or encourage discrimination, on the basis of race, color, national origin, sex, age, disability, or religion, including using those characteristics or intentional proxies as selection criteria. Similar requirements apply to nursing and allied health education programs and accreditors. Effective with the rule.
New technology add on payments
Beginning with FY 2028 applications, the alternative NTAP pathway for breakthrough designated devices is eliminated. Those devices must meet the same criteria as non breakthrough technologies. The parallel OPPS transitional pass through is repealed on the same basis.
Wage index
The low wage index policy is discontinued with a budget neutral transition for affected hospitals.
Rural and small hospitals
Medicare Dependent Hospital payments and the temporary low volume adjustment expire December 31, 2026 under current law. If extended through the end of FY 2027, CMS estimates approximately $0.3 billion in additional payments to these hospitals.
Long term care hospitals
A 2.3 percent update, payments up approximately 2.2 percent or $54 million, and the outlier threshold maintained at its FY 2026 value producing outliers around 8 percent of total payments.
Organ acquisition
Medicare will reconcile non renal organ acquisition costs for Independent Organ Procurement Organizations and Histocompatibility Laboratories, with a two year delayed implementation applying to cost reporting periods beginning on or after October 1, 2028.
Operational impact
What the FY 2027 IPPS final rule means for revenue cycle
Three items carry near term operational weight.
New MS-DRGs mean new audit targets
Every classification split CMS makes becomes a payer and Recovery Audit Contractor focus within one to two quarters. Spinal fusion and joint replacement are already among the most audited inpatient service lines. Coding and clinical documentation integrity teams need the Table 6P code assignments loaded before October 1.
Medicare Advantage inclusion changes the stakes on denials
When Medicare Advantage data enters claims based quality measures, MA denials, observation status determinations, and level of care disputes stop being purely a cash flow issue and start carrying quality and penalty consequences.
Electronic prior authorization has a hard deadline
CY 2027 is the optional year. CY 2028 is mandatory. Organizations that treat CY 2027 as a pilot will be ahead of those that wait.
Automation
Autonomous RCM agents for DRG and prior authorization denials
Every change described above increases denial volume without increasing the staff available to work it. New MS-DRGs create new validation targets. Inpatient Only list removals push level of care disputes upward. Electronic prior authorization creates a new compliance obligation on top of an existing authorization workload. The regulatory calendar moves faster than hiring does.
An autonomous revenue cycle agent addresses the arithmetic problem rather than the policy problem. It does not change what CMS finalized. It changes how much human time each resulting denial consumes.
DRG validation and clinical validation denials
DRG downgrades follow a repeatable pattern. A payer or Recovery Audit Contractor challenges the principal diagnosis, a secondary diagnosis carrying CC or MCC weight, or the clinical validity of a documented condition. Resolving it requires locating the supporting clinical evidence in the record, mapping it to the coding guideline or clinical criteria at issue, and constructing an argument.
That work is structured. An autonomous agent can read the denial, retrieve the relevant portions of the medical record, identify the specific documentation that supports the assigned code, cite the applicable ICD-10-CM Official Guidelines for Coding and Reporting section or Coding Clinic guidance, and assemble a complete appeal package. The three new MS-DRG families finalized for FY 2027, covering spinal fusion, periprosthetic joint infection, and cardiac pacemaker revision, are exactly the kind of new target where denial volume rises before internal expertise catches up.
Prior authorization denials
Most authorization denials are not clinical disagreements. They are process failures: authorization never requested, requested for a code that changed before the service, expired before the date of service, or obtained by a department that never passed it to billing.
An agent operating continuously across scheduling, clinical, and billing systems catches these before the claim goes out. Where a denial has already occurred, it can determine whether the failure was administrative or clinical, retrieve the authorization record, and route accordingly. As the electronic prior authorization requirement moves from optional in CY 2027 to mandatory in CY 2028, the electronic transaction record itself becomes appeal evidence that an agent can retrieve and cite directly.
Appeals automation
Appeal writing is the most automatable part of the denial workflow and the least automated in practice. The inputs are the denial reason, the medical record, the payer policy, and the governing regulation or coding guideline. The output is a structured document. An agent can generate, file, and track appeals across payers, monitor deadlines, and escalate only where the case falls outside established patterns.
The practical result is that experienced staff stop writing routine appeals and start handling the cases that actually require judgment.
FAQ
Frequently asked questions
When does the FY 2027 IPPS final rule take effect?
October 1, 2026. It was issued July 31, 2026 and published in the Federal Register August 4, 2026.
What is the FY 2027 IPPS payment update?
2.3 percent for hospitals that successfully participate in the Inpatient Quality Reporting program and are meaningful electronic health record users. This reflects a 3.2 percent market basket increase reduced by a 0.9 percentage point productivity adjustment.
What is the Federal Register citation for the FY 2027 IPPS final rule?
91 FR 49570, published August 4, 2026. The file codes are CMS-1849-F and CMS-0062-F, and the FR document number is 2026-15833.
Which new MS-DRGs did CMS create for FY 2027?
MS-DRGs 523 through 525 for extensive and complex spinal fusion, MS-DRGs 403 and 404 for hip and knee procedures involving periprosthetic joint infection, and MS-DRGs 210 and 211 for cardiac pacemaker revision and replacement.
When is electronic prior authorization mandatory under the Promoting Interoperability program?
It is an optional bonus measure for the CY 2027 EHR reporting period and mandatory beginning with the CY 2028 EHR reporting period.
Is CJR-X mandatory?
Yes. CJR-X is mandatory nationwide and begins January 1, 2028, covering hip, knee, and ankle replacements in inpatient and hospital outpatient settings.
Did CMS change the Hospital Acquired Condition Reduction Program?
No. CMS made no changes to that program in the FY 2027 rule. Hospitals in the worst performing quartile continue to receive a 1 percent payment reduction.
How much did uncompensated care payments change?
They increase approximately 2.9 percent to an estimated $7.94 billion, with DSH Factor 2 finalized at 67.14 percent, up from the proposed 65.00 percent.