Category Standard Organisation International Organization for Standardization (ISO) ID ISO 21090:2011 Type Standard Access Fees apply to access Status Active Created Feb-11 This standard provides a set of datatype definitions for representing and exchanging basic concepts that are commonly encountered in healthcare environments. It specifies a collection of datatypes suitable for use in health-related information environments, declares the semantics of these datatypes, and provides UML definitions and XML-based representations.The standard offers a useful contribution to the internal design of health information systems, but it is primarily intended for defining external interfaces and messages to support communication between them.Main sections:· Scope· Normative references· Terms and definitions· Abbreviated terms· Conformance· Datatypes overview· Datatypes· Annex A: XML representation· Annex B: UML support types· Annex C: RM-ODP viewpoint mappings· Annex D: HL7 v3 Abstract Data Types mapping· Annex E: Schema for XML representation