Electronic record for consultation of patients in the monitoring office of rare diseases of Advisory clinic was opened in Children's Republican Clinical Hospital. Experts see patients with suspicion of rare diseases, with unknown diagnoses and unknown conditions, as well as with a confirmed diagnosis of orphan disease. The task of the monitoring office of rare diseases in the consultative polyclinic №1 of CRCH is to coordinate the efforts of pediatricians, specialists and patients themselves (their legal representatives) to determine the diagnosis of rare pathology.