Chronic disease care requires stable medicine availability and efficient pharmaceutical spending. This scoping review mapped empirical evidence on the use of ABC-VEN/VED analysis for chronic disease medicine inventory optimization in health facilities. PubMed, ScienceDirect, Scopus, and Google Scholar were searched in July 2026 for full-text empirical studies published from 1 January 2021 to 30 June 2026. Screening followed PRISMA-ScR. After duplicate removal, 672 records were screened and 232 studies were included. The evidence showed that a small proportion of high-value and clinically important medicines accounted for most pharmaceutical expenditure. ABC-VEN/VED was used to support medicine planning, procurement prioritization, stock monitoring, stock-out reduction, overstock control, and waste prevention. Integrating ABC-VEN/VED into routine inventory policy may support rational pharmaceutical budgeting, improve medicine availability, and strengthen continuity of chronic disease treatment.
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