Skip to main content

Data Quality Tools


Data Quality Standards Toolkit * - The online data quality monitoring tool for NHS Wales data sets. (Click on 'Decision Support', 'Decision Support Reports', 'Data Quality' then 'Data Quality Indicators').

NHS Wales Data Dictionary - The official data dictionary of NHS Wales which stipulates the information requirements for all mandated data sets.

Validation at Source Service (VASS) * - This service allows users to review the data quality of the data they upload directly, and resubmit if necessary, prior to submission to the DHCW national database.


* Currently accessible to NHS Wales Users Only