DIMDI publishes the annually updated official version of the German Anatomical Therapeutic Chemical (ATC)-Classification with defined daily doses (DDD) since January 1st, 2004.
ECRI Institute, USA developed Universal Medical Device Nomenclature System (UMDNS) with the object of coding medical devices.
The product classification of the European Diagnostic Manufacturers Association (EDMA) is used to code in vitro diagnostic medical devices.
Object Identifiers (OID) are number chains for the identification of these objects and messages, whereby objects are information units such as institutions, classifications, messages, documents or tables.
The Medical Subject Headings (MeSH) are a medical thesaurus published and annually updated by the US National Library of Medicine (NLM). It is used for cataloging of the library holdings and for indexing of the databases that are produced by the NLM (e.g. MEDLINE in PubMed).
The Unified Medical Language System consolidates more then 100 heterogenous biomedical vocabularies into a metathesaurus and a semantic network. The Specialist Lexicon supports computer-based processing of biomedical narratives. BfArM supplies the UMLS with extensive German-language vocabularies annually and therewith made German the second most frequent language in the metathesaurus.
The purpose of the LOINC database is to facilitate the exchange and pooling of results, such as blood hemoglobin, serum potassium, or vital signs, for clinical care, outcomes management, and research.
The Unified Code for Units of Measure (UCUM) is a code system of standardised codes for measurement units used in medicine and pharmacy