30-Day Readmission Penalties for 2026: HRRP Conditions, Calculation, and How to Avoid Them

The Hospital Readmissions Reduction Program (HRRP) penalizes acute-care hospitals up to 3% of base operating DRG payment for excess 30-day readmissions in six conditions. In FY2024, 2,583 hospitals were penalized. The average penalty was $217,000. The 2026 fiscal year penalty schedule is now finalized — here's what it covers and how the math works.

The six conditions in scope

• Acute Myocardial Infarction (AMI)
• Coronary Artery Bypass Graft (CABG)
• Chronic Obstructive Pulmonary Disease (COPD)
• Heart Failure (HF)
• Pneumonia (PN)
• Total Hip / Knee Arthroplasty (THA/TKA)

Each condition has its own excess readmission ratio (ERR), defined as predicted readmissions divided by expected readmissions for the hospital's case mix. Above 1.0 means worse-than-expected; below 1.0 means better.

How the penalty calculates

The penalty multiplier for FY2026 ranges from 0.97 to 1.0 (a 3% to 0% reduction in base operating DRG payment). It applies to all Medicare admissions, not just the six conditions. The math:

1. For each condition, CMS calculates your ERR.
2. The aggregate excess readmissions across conditions are weighted by case volume.
3. That aggregate becomes the “adjustment factor” that's multiplied against every Medicare admission's base DRG payment.

For a hospital with $40M in annual Medicare DRG payments, even a 0.5% adjustment is $200,000 — and 0.5% is well within the typical penalty range.

What hospitals that beat the benchmark do differently

Three patterns separate the consistently-low-penalty hospitals from the rest:

1. Risk scoring at discharge, not after readmission. Every patient gets a LACE (or HOSPITAL) score before discharge. High-risk patients get a different discharge plan — extended teach-back, scheduled 7-day follow-up, medication reconciliation by pharmacy. See LACE vs HOSPITAL: which model fits your EHR.
2. Discharge planning gap analytics. Of the patients readmitted last quarter, what fraction had a documented discharge plan that addressed the readmission cause? When a hospital's answer is “under 50%” the intervention is obvious — strengthen the planning workflow before strengthening the predictive model.
3. Real-time visibility into the readmission cohort. Most hospitals see their readmission rate quarterly, after CMS publishes. The hospitals that beat the penalty see it weekly — by service line, by attending, by discharge unit. Patterns surface in time to act.

What the analytics layer must do

To run the three patterns above, an analytics platform needs to do four things:

• Compute LACE / HOSPITAL scores from EHR data, automatically, at discharge.
• Track 30-day readmissions to the same hospital and to other hospitals (where data is available).
• Surface readmission cohort by service line, attending, discharge unit, and primary diagnosis — without a custom report request.
• Link discharge planning artifacts (med rec completion, follow-up appointment scheduled) to outcome.

Vizier's readmission prevention module does all four out of the box. It connects to Epic, Cerner, MEDITECH, and other inpatient EHRs directly.

The bottom line on the $217K average

$217K is the average penalty. It's also recoverable for most hospitals. The investment to recover it is operational — discharge workflow plus analytics — not capital. Hospitals that paid $217K in FY2024 and didn't change their workflow will pay it again in FY2026.