Measure Methodology Reports

Readmission Measures

The methodology and updates reports listed below describe the methods used to develop the risk-standardized readmission measures, and the 2018 updates and quality assurance activities.

Additional rationale of CMS’s methodological decisions during development and reevaluation of the readmission measures is available in the Frequently Asked Questions and Measure Development Fact Sheet documents.

2018 Readmission Measures Updates

CMS contracted with a team of clinical and statistical experts from Yale New Haven Health Services Corporation/Center for Outcomes Research and Evaluation (YNHHSC/CORE) to develop, and annually re-evaluate and update the readmission measures. The 2018 reports describe the measures' re-evaluation activities conducted in preparation for the 2018 public reporting cycle.

To find ICD-10 codes for the measures, please refer to the Find My ICD-10 Code infographic.

Previous annual measure updates and specifications reports can be found on the Readmission Measures Archived Resources page.

Readmission Measure Development (original methodology reports)

The following reports provide measure development background and rationale, description of YNHHSC/CORE’s model development and testing approach, and detailed measure specifications.

Condition-specific measures:

Procedure-specific measures:

Hospital-wide measure:

Additional information about the measure methodology is available on the Readmission Measures Published Literature page.

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