Information systems of electronic health services and cooperation infrastructure e. prescription subsystem data on prescribed drugs*. * drug — the term "drug" is used in this data set as a general name for all prescription medicinal products (medicinal preparation, medical aid device (MDD), brand-name drug, extemporaneous drug***, other drugs). ** ICD-10-AM — international disease code; a code system covering diseases and various symptoms, pathological conditions, complaints, social circumstances, external causes of injury and disease, is compiled by the World Health Organization (WHO). ***Extemporaneous drug — (extemporaneous medicinal product) – a medicinal product made in a pharmacy for an individual patient according to a doctor's prescription and/or order of a health care institution or a medicinal product made according to the description of the medicinal product. **** ATC code or index is an anatomical therapeutic chemical index assigned to drugs and medical devices under which they are classified, approved by the World Health Organization.