Южно-уральский государственный медицинский университет, челябинск, Российская Федерация 2 Областной перинатальный центр, челябинск, Российская ФедерацияThe review analyzes the pathogenetic aspects of using diagnostic markers of necrotizing enterocolitis (NEC). The substantiation of the leading and common tags for various pathological factors depending on the period of the disease in newborns is carried out. Peculiarities of diagnostics, characteristic of different stages of the disease, are considered. Thus, using biomarkers that consider the staging and severity of the course of NEC in newborns will allow targeted interventions on various etiopathogenetic links to prevent disease progression and reduce mortality.