Understanding Readmission Rate
How we calculate. Readmission % = readmissions within window ÷ index discharges × 100. The form uses the same arithmetic as the worked examples on this page. See our methodology and accuracy policy.
Real-world scenario: A typical Readmission Rate case uses readmissions 48 and discharges 600. Enter the same figures below to reproduce the worked path.
What is Readmission Rate?
A quality and value-based care KPI. CMS and payers define inclusions/exclusions carefully—match your measure spec.
- State the window (e.g. 30 days)
- Same discharge cohort in the denominator
- Planned vs unplanned rules vary by measure
The Formula
Worked Example
Common Use Cases
- Quality committees: trend reviews
- Care transitions: program impact
- Payer reporting: measure tracking
Pro Tips
- Risk-adjust before comparing hospitals
- Segment by service line
- Track against measure specs
Limitations: Readmission Rate results are Educational operations/planning aids only—not medical, clinical, billing, or regulatory advice. Confirm definitions with your facility policies and clinicians.
FAQ
Is this risk-adjusted?
No—this is a crude rate. Official public measures often apply risk adjustment separately.
What if discharges is 0?
The rate is undefined—check the discharge cohort.
Authoritative References
For healthcare quality and operations definitions, consult:
- CMS — U.S. quality and payment measure context
- WHO — global health indicator concepts
- The Joint Commission — accreditation and safety frameworks