Simulation of ICD-9 to ICD-10-CM Transition for Family Medicine: Simple or Convoluted?

Journal of the American Board of Family Medicine : JABFM
Samuel N GriefAndrew D Boyd

Abstract

The objective of this study was to examine the impact of the transition from International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM), to Interactional Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM), on family medicine and to identify areas where additional training might be required. Family medicine ICD-9-CM codes were obtained from an Illinois Medicaid data set (113,000 patient visits and $5.5 million in claims). Using the science of networks, we evaluated each ICD-9-CM code used by family medicine physicians to determine whether the transition was simple or convoluted. A simple transition is defined as 1 ICD-9-CM code mapping to 1 ICD-10-CM code, or 1 ICD-9-CM code mapping to multiple ICD-10-CM codes. A convoluted transition is where the transitions between coding systems is nonreciprocal and complex, with multiple codes for which definitions become intertwined. Three family medicine physicians evaluated the most frequently encountered complex mappings for clinical accuracy. Of the 1635 diagnosis codes used by family medicine physicians, 70% of the codes were categorized as simple, 27% of codes were convoluted, and 3% had no mapping. For the visits, 75%, 24%, and ...Continue Reading

Citations

May 5, 2020·Journal of the American Medical Informatics Association : JAMIA·Kin Wah FungOlivier Bodenreider
Aug 28, 2019·Demography·Max Brüning, Josselin Thuilliez
Aug 26, 2021·Plastic and Reconstructive Surgery·Rachel C HooperKevin C Chung

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