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Evaluation of PHI Hunter in Natural Language Processing Research

Author: Redd, Andrew; Pickard, Steve; Meystre, Stephane; Scehnet, Jeffrey; Bolton, Dan; Heavirland, Julia; Weaver, Allison Lynn ; Hope, Carol; Garvin, Jennifer Hornung

Source: Perspectives in Health Information Management

Publication Date: January 2015


Objectives: We introduce and evaluate a new, easily accessible tool using a common statistical analysis and business analytics software suite, SAS, which can be programmed to remove specific protected health information (PHI) from a text document. Removal of PHI is import....

Exploration of ICD-9-CM Coding of Chronic Disease within the Elixhauser Comorbidity Measure in Patients with Chronic Heart Failure

Author: Garvin, Jennifer Hornung; Redd, Andrew; Bolton, Dan; Graham, Pauline; Roche, Dominic; Groeneveld, Peter; Leecaster, Molly; Shen, Shuying; Weiner, Mark G

Source: Perspectives in Health Information Management

Publication Date: October 2013


Introduction: International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) codes capture comorbidities that can be used to risk adjust nonrandom patient groups. We explored the accuracy of capturing comorbidities associated with one risk adju....