Help: Data Elements

A Data Element is the definition of the information which is usually transmitted in a Data Set.

In addition, Data Elements can contain text providing guidance, support, values or other information concerning the Data Element and its usage.

Each Data Element:

  • Name is in UPPERCASE and where the name appears in text in GREEN, it indicates that it is a hyperlink and if clicked on will display the definition for that Data Element.

The following information is available on an Data Element:

  • "Description":
    • A definition of the Data Element which provides hyperlinks to other related definitions
    • Provides guidance or other information concerning the Data Element and its usage
    • The table at the foot of the page shows if there is an alias for this Data Element, e.g. schema name etc.

  • Format/Length:
    • The format and length of the Data Element.
    • The character set used for Data Elements is the UTF-8 standard (Unicode Transformation Format-8).
    • The number indicates the field length of the Data Element.

  • National Codes:
    • The National Codes for the Data Element
    • If there are no agreed National Codes, there will be no National Codes section.

  • Default Codes:
    • An entry in this field indicates that in addition to the agreed National Codes for the Data Element, there are default codes applicable to that Data Element only
    • If there are no Default Codes for the Data Element, there will be no Default Codes section.
  • "Where Used": every item where the Data Element is used within the NHS Data Model and Dictionary.

  • "Attribute": the Attribute the Data Element is based on.

What would you like to do next?

  •  NHS Data Model and Dictionary Content

View Data Elements in the NHS Data Model and Dictionary.

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