A readmission is an unplanned inpatient admission to the hospital within 30 days of the initial hospital discharge date and is measured and tracked by the Centers for Medicare & Medicaid Services.1 Many readmissions are preventable and can often be attributed to avoidable factors, such as issues in post-discharge communication, planning, and follow-up. Identifying the gaps in care that cause readmissions is an important step in improving care transition practices and deciding which areas need focused process-improvement projects.2
High-utilizers—patients with four inpatient admissions or six emergency department visits within one year—make up a larger proportion of readmission visits and often require more social services interventions than a typical diagnosis-driven readmission.3
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