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Study: Inaccuracies in EHR Problem Lists Pose Problems for Risk Adjustment

January 22, 2018


Inaccuracies in EHR (electronic health record) problem list–based comorbidity data can lead to incorrect determinations of case mix, according to a study that took place at two southern California Veterans Affairs (VA) medical centers.

For the study, researchers compared EHR problem list–based comorbidity assessment with manual review of EHR free-text notes in terms of sensitivity and specificity for identification of major comorbidities and Charlson Comorbidity Index (CCI) scores. The CCI contains 19 categories of comorbidity and predicts the 10-year mortality for patients who may have a range of co-morbid conditions.

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