Anthony J Deo, Victor M Castro, Ashley Baker, Devon Carroll, Joseph Gonzalez-Heydrich, David C Henderson, Daphne J Holt, Kimberly Hook, Rakesh Karmacharya, Joshua L Roffman, Emily M Madsen, Eugene Song, William G Adams, Luisa Camacho, Sarah Gasman, Jada S Gibbs, Rebecca G Fortgang, Chris J Kennedy, Galina Lozinski, Daisy C Perez, Marina Wilson, Ben Y Reis, Jordan W Smoller
BACKGROUND AND HYPOTHESIS: Psychosis-associated diagnostic codes are increasingly being utilized as case definitions for electronic health record (EHR)-based algorithms to predict and detect psychosis. However, data on the validity of psychosis-related diagnostic codes is limited. We evaluated the positive predictive value (PPV) of International Classification of Diseases (ICD) codes for psychosis. STUDY DESIGN: Using EHRs at 3 health systems, ICD codes comprising primary psychotic disorders and mood disorders with psychosis were grouped into 5 higher-order groups...
May 10, 2024: Schizophrenia Bulletin