Bulletin of Semashko National Research Institute of Public HealthBulletin of Semashko National Research Institute of Public Health2415-84102415-8429FSSBI «N.A. Semashko National Research Institute of Public Health»327610.69541/NRIPH.2026.03.013Original ArticleThe impact of DRG model changes on the medical organizations within the obligatory medical health insurance program (using the example of medical rehabilitation)VeselovNikita Sergeevichnsveselov@gmail.comTsarevaOlga Vladimirovnaotsareva@ffoms.gov.ruN. A. Semashko National Research Institute of Public Health, 105064, Moscow, Russian FederationThe Federal Fund for Mandatory Medical Insurance, Moscow, Russian Federation021020263889507102026Copyright © 2026,2026Annotation. The article provides a comparative analysis of information on specialized medical care provided at the expense of mandatory medical insurance in 2021 and 2023 in some subjects of the Russian Federation. Medical organizations providing specialized medical care in the «Medical rehabilitation» profile are considered, and changes in the volume of expenditures per case of treatment for these periods are described in detail due to changes in some DRGs in the «Medical rehabilitation» profile.Mandatory Medical Insurance, Diagnostic-Related Groups (DRG), Medical rehabilitationобязательное медицинское страхование (ОМС), клинико-статистические группы заболеваний (КСГ)1.Sanders B. S. Measuring Community Health Levels. American Journal of Public Health. 1964;54(7):1063—1070.2.Sindyashkina E. N. (2022). Healthy life expectancy in the context of the United Nations decade of Healthy Ageing. Analysis and Forecasting. IMEMO Journal. [Analiz i prognoz. Zhurnal IMEMO RAN]. 2022;(1):40—53 (in Russian).