Canonical Resource Management Infrastructure Implementation Guide, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 2.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/crmi-ig/ and changes regularly. See the Directory of published versions

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NamingSystem: SNOMEDCTExample

Official URL: http://hl7.org/fhir/uv/crmi/NamingSystem/publishable-example				Version: 2.0.0-ballot
Standards status: Informative			Responsible: HL7 International on behalf of IHTSDO	Computable Name: SNOMEDCTExample
Other Identifiers: OID:2.16.840.1.113883.4.642.40.38.31.1

SNOMED CT is a concept-based, scientifically validated terminology that provides a unique and permanent concept identifier that can be included in multiple HL7 data types including CD and CE. The concepts are managed to avoid "semantic drift" so the meaning remains constant. If the concept is found to be ambiguous or the meaning changes, the concept is inactivated but still retained and the identifier is never reused. SNOMED CT's concepts are interrelated hierarchically and using description logic. SNOMED CT concepts have a unique "fully-specified name", a preferred term, and, optionally, synonyms. The description languages include English and Spanish.