SS-EN-ISO-21090 Health Informatics - Harmonized data types for information interchange (ISO 21090:2011)


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This International Standard - provides a set of datatype definitions for representing and exchanging basic concepts that are commonly encountered in healthcare environments in support of information exchange in the healthcare environment; - specifies a collection of healthcare-related datatypes suitable for use in a number of health-related information environments; - declares the semantics of these datatypes using the terminology, notations and datatypes defined in ISO/IEC 11404, thus extending the set of datatypes defined in that standard; - provides UML definitions of the same datatypes using the terminology, notation and types defined in Unified Modelling Language (UML) version 2.0; - specifies an XML (Extensible Mark-up Language) based representation of the datatypes. The requirements which underpin the scope reflect a mix of requirements gathered primarily from HL7 Version 3 and ISO/IEC 11404, and also from CEN/TS 14796, ISO 13606 (all parts) and past ISO work on healthcare datatypes. This International Standard can offer a practical and useful contribution to the internal design of health information systems, but is primarily intended to be used when defining external interfaces or messages to support communication between them.

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35.240.80 (IT applications in health care technology Including computer tomography)

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Designation Name

SS-EN ISO 21090:2011

Revision Level




Publication Date

March 10, 2011



Page Count


International Equivalent

EN ISO 21090:2011(IDT); ISO 21090:2011(IDT)