Documentation
Description:
Collecting information about people in contact with adult psychological therapy services in England. The IAPT data set was developed with the IAPT programme as a patient level, output based, secondary uses data set which aims to deliver robust, comprehensive, nationally consistent and comparable information for patients accessing NHS-funded IAPT services in England. This national data set has been collected since April 2012 and is a mandatory submission for all NHS funded care, including care delivered by independent sector healthcare providers. Data collection on patients with depression and anxiety disorders that are offered psychological therapies, so that we can improve the delivery of care for these conditions.Providers of NHS-funded IAPT services are required to submit data to NHS Digital on a monthly basis.As a secondary uses data set the IAPT data set re-uses clinical and operational data for purposes other than direct patient care. It defines the data items, definitions and associated value sets extracted or derived from local information systems and sent to NHS Digital for analysis purposes.
Coverage
Spatial:
United Kingdom,England
Typical Age Range:
0-150
Provenance
Origin
Purposes:
- Other
- Administrative
Sources:
EPR
Temporal
Accrual Periodicity:
Daily
Start Date:
01 January 2008
Time Lag:
Variable
Accessibility
Access
Access Service:
Barts Health has a secure data environment since 2024. Projects requiring access
to data can make an application on the Data Portal (data.bartshealth.nhs.uk).
Access Request Cost:
Cost Recovery Model
Jurisdictions:
GB-ENG
Data Controller:
Barts Health
Usage
Data Use Limitations:
General research use
Data Use Requirements:
- Ethics approval required
- Project-specific restrictions
- User-specific restriction
Resource Creators:
Barts Health
Format and Standards
Conforms To:
OMOP
Languages:
en
Formats:
CSV
Observations
Statistical Population
Population Description
Population Size
Measured Property
Observation Date
Persons
Total number of distinct PERSON_ID in the OMOP_PERSON table
3300000
COUNT
21 November 2025