Recognizing Exercise Deficit Disorder in the International Classification of Diseases: an opinion on public-health and coding implications

Despite compelling evidence that insufficient moderate-to-vigorous physical activity, termed Exercise Deficit Disorder, drives substantial burdens of noncommunicable diseases, mental health disorders, and premature mortality, it lacks a distinct diagnostic code. Globally, 21% of adults and 81% of youth fail to meet recommended activity guidelines, contributing to nearly 500 million preventable noncommunicable disease cases and an estimated US$27 billion in annual healthcare costs through 2030. Demographic shifts, with an older adult population growing to outnumber youth by 2080, magnify the long-term implications of today’s inactivity rates. Drawing on epidemiological data, economic projections, and the foundational work that defines Exercise Deficit Disorder in youth populations, we argue that formal International Classification of Diseases recognition of Exercise Deficit Disorder would enhance surveillance and reporting, inform targeted clinical and public health interventions, and guide policy and resource allocation. By establishing Exercise Deficit Disorder as a discrete code, healthcare systems can more effectively monitor activity deficits, prioritize preventive strategies, and align international health objectives, ultimately leveraging this “magic bullet” to reduce health disparities and improve outcomes across the lifespan. We therefore propose the inclusion of Exercise Deficit Disorder as a new entry in the International Classification of Diseases, with clear implications for clinical practice, research, and health policy.