The NHS Wales Data Dictionary is maintained and published by Data Standards Team, part of Digital Health and Care Wales (DHCW). Since May 2006 changes are assured by the Welsh Information Standards Board (WISB). Changes are published as Data Standards Change Notices (DSCNs) and Data Dictionary Change Notices (DDCNs).
An offline version of the NHS Wales Data Dictionary is available on request. If you require an offline copy please contact us using the details below.