Method of grouping and analyzing clinical risks, and system therefor
First Claim
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1. A method of creating a classification system for rating the nature and severity of health care requirements, characterized by:
- (a) obtaining a set of medical care codes;
(b) categorizing the medical care codes into major disease categories;
(c) categorizing the medical care codes into episode disease categories based on the severity and persistence of the disease, and assigning each episode disease category to a major disease category;
(d) sub-dividing at least some of the episode disease categories by severity of illness, wherein the classification system is applied to historical information for individuals and populations to group them according to the classification system; and
(e) defining criteria for aggregating the episode disease categories and severity of illness levels to assign an overall clinical risk group and severity of illness rating to an individual patient, wherein the selection criteria for selecting a primary chronic disease comprise;
ranking the episode disease categories in each major disease category by severity;
adjusting the ranking based on the presence and severity of episode disease categories in other major disease category;
selecting as the primary chronic disease the highest adjusted rank episode disease category in each major disease.
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Abstract
A comprehensive set of risk groups explicitly identifies groups of individuals with multiple interacting co-morbid conditions, and which explicitly identifies the severity of illness level. This allows accurate prediction of future health care resource needs of an entire population, while simultaneously helping the health care provider isolate problems to identify changes in care to reduce costs and improve quality.
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2 Claims
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1. A method of creating a classification system for rating the nature and severity of health care requirements, characterized by:
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(a) obtaining a set of medical care codes; (b) categorizing the medical care codes into major disease categories; (c) categorizing the medical care codes into episode disease categories based on the severity and persistence of the disease, and assigning each episode disease category to a major disease category; (d) sub-dividing at least some of the episode disease categories by severity of illness, wherein the classification system is applied to historical information for individuals and populations to group them according to the classification system; and (e) defining criteria for aggregating the episode disease categories and severity of illness levels to assign an overall clinical risk group and severity of illness rating to an individual patient, wherein the selection criteria for selecting a primary chronic disease comprise; ranking the episode disease categories in each major disease category by severity; adjusting the ranking based on the presence and severity of episode disease categories in other major disease category; selecting as the primary chronic disease the highest adjusted rank episode disease category in each major disease.
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2. A method of creating a classification system for rating the nature and severity of health care requirements, characterized by;
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(a) obtaining a set of medical care codes; (b) categorizing the medical care codes into major disease categories; (c) categorizing the medical care codes into episode disease categories based on the severity and persistence of the disease, and assigning each episode disease category to a major disease category; (d) sub-dividing at least some of the episode disease categories by severity of illness, wherein the classification system is applied to historical information for individuals and populations to group them according to the classification system; and (e) defining criteria for aggregating the episode disease categories and severity of illness levels to assign an overall clinical risk group and severity of illness rating to an individual patient, wherein the criteria assigning the overall clinical risk group comprise;
(i) defining criteria for a series of risk groups ranked in order of declining severity;
(ii) comparing primary chronic diseases to the criteria for each risk group, and (iii) assigning the most severe clinical risk group for which the criteria are met, and the clinical risk groups comprise;catastrophic conditions; dominant and metastasic malignancies; dominating chronic disease three or more organ systems; significant chronic disease in multiple organ Systems; single dominant or moderate chronic disease; minor chronic disease in multiple organ systems; single minor chronic disease; history of significant acute disease; and healthy.
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Specification