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Element NameItemDef
Parent Element(s)MetaDataVersion
Element XPath(s)/ODM/Study/MetaDataVersion/ItemDef
Element Textual ValueNone
UsageConditional. There must be an ItemDef element for each unique ItemOID attribute value in the study.
AttributesOID, Name, DataType, Length, DisplayFormat, VariableSet, CommentOID
Child Elements(Description?, Definition?, Question?, Prompt?, CRFCompletionInstructions?, ImplementationNotes?, CDISCNotes?,  RangeCheck*, CodeListRef?, ValueListRef?, Coding*, Alias*)