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Comment: Per ODM-13, moving the Usage/Business Rules row to the end, to support moving notes to the element and attributes tables

Include PageItemData ElementItemData Element Include PageItemData AttributesItemData AttributesThe ItemData element is used for transmission of the clinical data for an item. The model does not support repeating items within a single item group.

The ItemOID is used to identify a particular item definition. This value uniquely identifies an Item within the containing ItemGroup.

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ItemData Element
ItemData Element

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ItemData Attributes
ItemData Attributes
The referenced ItemDef defines the DataType of this item. The Value attribute string must obey the rules for that format of data listed in the Data Formats sectionFor text, string, integer or float datatypes, it must be possible to store the item value within the Length constraint defined in the ItemDef.


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ItemData - Value versus IsNull example
ItemData - Value versus IsNull example

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