The proposed consensus position of the experts present approaches to the diagnosis, treatment and secondary prevention of throm-botic complications and endothelial dysfunction in COVID-19 for their use in outpatient visits. Experts confirmed the position of LMWH in hospitalized patients. Parnaparin sodium is the optimal choice for these patients, due to strong anti-inflammatory effect and a convenient dosing regimen. Experts confirmed endothelial damage as an important factor in the development of hyper-coagulation in outpatients with COVID-19. According to expert’s consensus position, sulodexide may be a pathogenetic approach for the problem of endothelial dysfunction, especially — for period of convalescence. Experts recommend to introduce of sulo-dexide into the Temporary methodological recommendations of the Ministry of Health of the Russian Federation: for outpatients with light forms COVID-19, for patients with high risk of bleeding, also — for patients at the stage of rehabilitation to prevent recurrent VTE and reduce the risk of developing pulmonary fibrosis.