AttributeSchema Datatype or EnumerationUsageDefinitionBusiness Rules
DictionarytextOptional

The name of the external dictionary or external reference as listed in the NCI/CDISC Controlled Terminology, CodeList Dictionary Name, NCI Code C66788. This CodeList is extensible. Samples: COSTART, ICD, LOINC, MedDRA, SNOMED, WHOART, WHODD


VersiontextOptionalThe version of the external codelist.
reftextOptionalReference to a local instance of the dictionary.
hrefURIOptional

A resolvable URL to an external instance of the dictionary is preferred, however a non-resolvable URN (Unique Resource Name), such as an OID (Object Identifier) or UUID (Universally Unique Identifier), may be used.


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