Change Log


Current version: 3.21


Click on the Change Request links below to see which Data Dictionary Change Notices (DDCNs), Data Set Change Notices (DSCNs) and Information Standards Notices (ISNs) changed this item after the release of version 3 of the NHS Data Model and Dictionary (May 2005).

Change RequestChange Request DescriptionImplementation Date
n/aMigrated from v1.3Immediate
CR899NHS Data Model and Dictionary Maintenance UpdateImmediate
CR921Inclusion of page for the Department of Health24 Jan 2008
CR1018Change of Name for the National Administrative Codes Service1 Jun 2008
CR1052Update PatchImmediate
CR1060Change Package 1060Immediate
CR106510651 Oct 2009
CR1119Organisation Codes UpdateImmediate
CR1129Update PatchImmediate
CR1234Technology Reference Data Update Distribution Service (TRUD)Immediate
CR1252Geographic Area ChangesImmediate
CR1294March 2012 Release PatchImmediate
CR1375Health and Social Care Information Centre Branding PatchImmediate
CR1394July 2013 Release PatchImmediate
CR1395Organisation Data Service ??? NHS Postcode Directory28 Feb 2014
CR1493Change Package 1493Immediate
CR1559Lower Layer Super Output Area (Residence) and ONS Local Government Geography Code (Local Authority District)Immediate
CR1583Introduction of NHS DigitalImmediate
CR1593November 2016 Release PatchImmediate
CR1594Technology Reference Data Update Distribution (TRUD)Immediate
CR1816March 2021 releaseImmediate
CR1878NHS Digital merger with NHS England31 Jan 2023