A reference to a CodeList definition.
| Element Name | CodeListRef |
|---|---|
| Parent Element(s) | ItemDef |
| Element XPath(s) | /ODM/Study/MetaDataVersion/ItemDef/CodeListRef |
| Element Textual Value | None |
| Attributes | CodeListOID |
| Child Elements | None |
| Usage/Business Rules |
| Attribute | Schema Datatype or Enumeration | Usage | Definition | Business Rules |
|---|---|---|---|---|
| CodeListOID | oidref | Optional | Reference to the CodeList definition that provides the allowable values for ItemData that references the ItemDef. | When a CodeList is associated with an ItemDef, collected ItemData is expected to match a value defined in the Codelist. The DataType attributes of the referenced CodeList and the containing ItemDef must be the same. |