Publication, Part of Hospital Admitted Patient Care Activity
Hospital Admitted Patient Care Activity 2020-21
National statistics, Accredited official statistics
Further information about HES
Background
The NHS Digital website contains more background information about HES:
Alongside this publication a Statement of Administrative Sources is also published, as required by the Code of Practice for Official Statistics. More information on the background and purpose of the Statement of Administrative Sources can be found at:
Accessing HES
The HES publications focus on headline information about hospital activity. Each annual publication includes a series of national tables and also provider-level breakdowns for some main areas.
All data items included in the published tables are explained in footnotes, and NHS Digital publish data dictionaries for HES describing the format and possible values for all HES data items:
These data are also readily accessible via an online interrogation service (for NHS users) or via our bespoke extract service:
https://digital.nhs.uk/services/data-access-request-service-dars
Clinical Classifications
Diagnoses are coded in HES using the ICD10 classification.
Operative procedures are coded in HES using the OPCS classification.
Further information about these classifications, and changes to them, can be found at:
https://digital.nhs.uk/terminology-and-classifications/clinical-classifications
Changes to organisation codes and geographical boundaries
The Organisation Data Service (ODS) is responsible for the publication of all organisation and practitioner codes and national policy and standards with regard to the majority of organisation codes. For more information about the ODS and changes to organisation codes and geographical boundaries visit:
Last edited: 10 January 2023 2:41 pm