National Neonatal Data Set Constraints

Data Set Constraints applied to the National Neonatal Data Set.

Key to Data Set Constraint Column Headings:

Column NameColumn MeaningColumn Options
Format/LengthIndicates any differences between the Format/Length of the item in the NHS Data Model and Dictionary and the data set specificationNone = The Format/Length is the same as the NHS Data Model and DictionaryAny other entry = The Format/Length is different in the data set specification to the NHS Data Model and Dictionary
RangeIndicates whether a range value constraint has been applied in the data set specificationNone = There is no range value constraint applied in the data set specificationAny other entry = Shows the range value constraint applied in the data set specification
Pattern MatchIndicates whether a data pattern, to which the data must conform, has been applied in the data set specificationNone = There is no data pattern, to which the data must conform, applied in the data set specificationAny other entry = Shows the data pattern, to which the data must conform, applied in the data set specification

Data Set Constraints:

Data ElementFormat/LengthRangePattern MatchReason / Comment
BIRTH WEIGHTn4NoneNoneExisting Format/Length states max an4 - Data Set allows n4
GESTATION LENGTH (AT DELIVERY)n2NoneNoneExisting Format/Length states an2 - Data Set allows n2