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UK Health Dimensions

The UK Health Dimensions dataset is obtained from various reference data providers, including NHS TRUD, WHO, Organisation Data Service, and NHS England data dictionary. The dataset includes Key reference datasets such as version 2 and version 3 Read codes, ICD10 codes, cross-coding system mappings, organisational information, and geographic information. This data is a large collection of NHS and other health-related reference data from various sources, provided as a service to users of UK health data. More information can be found at The database contains thousands of tables at an aggregate level and historical changes in reference data are captured where possible.


Thousands of tables

Data Level

Aggregate, publicly available data

Data Years

Varies by data source. Historical changes in reference data are captured where possible