White Papers
Thomson Reuters Medical Episode Grouper Transparency Documentation
The Thomson Reuters Medical Episode Grouper (MEG) risk-adjustment methodology is predicated on a clinical definition of illness severity. As a result, risk-adjusted comparisons of provider efficiency are clinically meaningful and promote the acceptance of the methodology by physicians.
Description of the MEG Risk-adjustment Methodology
Primarily embedded in the Thomson Healthcare decision support system, Advantage Suite®, it is used today by health plans, employers, and government clients covering more than 43 million lives. The following White Paper provides a detailed description of the underlying software grouping logic, examples of the grouping capabilities, a description of the MEG risk-adjustment methodology, and an example of the differences between resource-based and clinically defined groupers.
Clinically Based Episode Grouping Methodology: Medical Episode Grouper PDF
Classification of Diseases Based on Disease Staging
The Medical Episode Grouper uses the Thomson Reuters Disease Staging Software disease classification system to construct clinically homogenous, disease specific episodes. The document below also includes mapping of ICD-9-CM diagnosis codes to particular diseases and stages.
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