Bridging the Data Divide in Nevada: A Repeated Cross-Sectional Study of Birth Certificate and Medicaid Billing Discrepancies in Gestational Substance Exposure

Findings highlight substantial discordance in GES reporting and underscore the limitations of single-source surveillance. Findings also have clear policy relevance, indicating that improved cross-system data integration would strengthen statewide surveillance, enhance early detection, and support more equitable resource allocation and intervention strategies.