The Testing laboratory of the RSE Research Institute for Biological Safety Problems of the Ministry of Health of the Republic of Kazakhstan has successfully passed the audit of the National Accreditation Center of the Committee for Technical Regulation and Metrology of the Ministry of Trade and Integration of the Republic of Kazakhstan according to ISO/IEC 17025-2019, which indicates compliance with advanced standards of work, competence and ability to provide reliable laboratory results. The re-accreditation confirms the laboratory’s compliance with the principles of leadership, development and responsibility for the result, both on the part of the laboratory staff and the management of the institute.