The current stage of health protection and social protection of the population poses new challenges for the ITU institutions to improve the quality of expertise, address issues of disability prevention, and there is no doubt that statistical analysis still plays an important role in their implementation. Considering the issues of disability, the dynamics of a social phenomenon that has all the rights to public attention is reflected. Materials on disability and the activities of ITU institutions, when adequately analyzed and used, are an effective tool in the work of government bodies to organize and improve measures to prevent and reduce disability, improve expert and rehabilitation services for the population. The purpose of this article is to present one of the organizational forms of the work of the ITU Bureau for the study of the causes and factors that directly led to disability, the prevention of disability, taking into account the task set by the Ministry of Labor and Social Protection of the Russian Federation to the Federal State Institutions of Medical and Social Expertise.