CSMBLM cooperates with professional and scientific organizations of medical biochemistry in other countries. it has been a full member of the International Federation of Clinical Chemistry (IFCC) since 1972, first as part of the Yugoslav Society of Medical Biochemists and since 1992 as an independent party. In 1993, CSMBLM became a member of the Forum of the European Societies of Clinical Chemistry, nowadays the European Federation of Clinical Chemistry and Laboratory Medicine ([http://www.efcclm.org/ EFLM]).