If you would like to know more about us or need help using the NHS Data Model and Dictionary, see the Help pages

The NHS Data Model and Dictionary provides a reference point for assured information standards to support health care activities within the NHS in England. It has been developed for everyone who is actively involved in the collection of data and the management of information in the NHS.

The NHS Data Model and Dictionary is maintained and published by the NHS Data Model and Dictionary Service and all changes are assured by the Information Standards Board for Health and Social Care. Changes are published as Information Standards Notices (ISN) by the Information Standards Board for Health and Social Care and Data Dictionary Change Notices (DDCN) by the NHS Data Model and Dictionary Service.

Related Links
Frequently Asked Questions
Department of Health website
Health and Social Care Information Centre
Information Catalogue
Secondary Uses Service website