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Mortality Measures

The publicly reported 30-day risk-standardized mortality measures include:

Mortality Measures
  • Acute Myocardial Infarction (AMI)
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Heart Failure (HF)
  • Pneumonia
  • Stroke
  • Coronary Artery Bypass Graft (CABG)

The Centers for Medicare & Medicaid Services’ (CMS’s) 30-day risk-standardized mortality measures assess a broad set of healthcare activities that affect patients' well-being. Patients who receive high-quality care during their hospitalizations and their transition to the outpatient setting will likely have better outcomes, such as survival, functional ability, and quality of life.

The public reporting of 30-day risk-standardized mortality measures is consistent with the priorities of the Department of Health and Human Services’ National Quality Strategy, which aims to: a) improve health care quality, b) improve the health of the U.S. population, and c) reduce the costs of health care. Public reporting of the CMS 30-day mortality measures fulfills federal mandates in the Deficit Reduction Act (DRA) of 2005 requiring the Secretary of Health and Human Services to make outcome and efficiency measures publicly available under the Hospital Inpatient Quality Reporting (IQR) Program.

Questions and Comments

CMS contracted with Yale New Haven Health Services Corporation/Center for Outcomes Research and Evaluation (YNHHSC/CORE) to develop, reevaluate, and support the implementation of these measures. Please submit questions about the mortality measures to: To ensure proper handling of inquiries, please specify the measure(s) and program(s) to which your questions are related. Do NOT submit patient-identifiable information (e.g., Date of Birth, Social Security Number, Health Insurance Claim Number) to this address.

For additional questions about the Hospital IQR Program, please contact the QualityNet Help Desk at

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