The Past and Future of Fungal Diagnoses in Health Records: A Comparative Analysis and Harmonization of Mycoses ICD Codes

Background

International Classification of Diseases (ICD) codes are used in healthcare for documenting disease and billing, but also for research in epidemiological and translational studies for cohort identification and specimen selection. Periodic code revisions, while necessary, significantly differ in structure and descriptive content, preventing direct cross-version mapping while also complicating use in longitudinal research and coding accuracy during the transition to newer versions.