HES Data Dictionary

The HES Data Dictionary contains detailed information on the fields from the Care Professional Admitted Care Episodes, Care Professional Out-Patient EpisodesEmergency Care Attendances, Adult Critical Care and the Patient Reported Outcome Measures (PROMs) data sets that are collected by Hospital Episode Statistics (HES).

These include the fields submitted directly by data providers and also fields derived and added to the data sets by the HES Data Dictionary team.

For further information on HES Data Dictionary, see the NHS England website at: Hospital Episode Statistics Data Dictionary.