Radiotherapy Data Set Constraints
Radiotherapy Data Set Constraints
Description
Data Set Constraints applied to the Radiotherapy Data Set.
Key to Data Set Constraint Column Headings:
| Column Name | Column Meaning | Column Options | ||
| Format/Length | Indicates any differences between the Format/Length of the item in the NHS Data Model and Dictionary and the data set specification | None = The Format/Length is the same as the NHS Data Model and Dictionary | Any other entry = The Format/Length is different in the data set specification to the NHS Data Model and Dictionary | |
| Range | Indicates whether a range value constraint has been applied in the data set specification | None = There is no range value constraint applied in the data set specification | Any other entry = Shows the range value constraint applied in the data set specification | |
| Pattern Match | Indicates whether a data pattern, to which the data must conform, has been applied in the data set specification | None = There is no data pattern, to which the data must conform, applied in the data set specification | Any other entry = Shows the data pattern, to which the data must conform, applied in the data set specification | |
Data Set Constraints:
| Data Element | Format/Length | Range | Pattern Match | Reason / Comment | 
| LOCAL PATIENT IDENTIFIER (EXTENDED) | min an1 max an20 | None | None | Existing Format/Length is max an20. Unable to change this as it is used in other data sets. Data Set allows min an1 max an20 | 
| ORGANISATION IDENTIFIER (CODE OF PROVIDER) | min an3 max an5 | None | None | an6 is not applicable for the Radiotherapy Data Set. | 
| RADIOTHERAPY ACTUAL PROCEDURE (SNOMED CT EXPRESSION) | max an100 | None | None | The SNOMED CT EXPRESSION base data element is not defined with a maximum length. This data item constraint has been set to max an100 as required by the Information Standard owner. | 
| RADIOTHERAPY PLAN PROCEDURE (SNOMED CT EXPRESSION) | max an100 | None | None | The SNOMED CT EXPRESSION base data element is not defined with a maximum length. This data item constraint has been set to max an100 as required by the Information Standard owner. | 
Where Used
| Type | Link | How used | 
|---|---|---|
| Supporting Information | references in description Radiotherapy Data Set Constraints |