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 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