The Improving Access to Psychological Therapies Data Set (IAPT Data Set) is a patient level, output based, secondary uses data set which aims to deliver robust, comprehensive, nationally consistent and comparable person-based information for people referred to NHS-commissioned adult IAPT services for depression and anxiety in England.

This collection is for all activity relating to people accessing NHS-commissioned adult IAPT services for depression and anxiety in England.  This includes activity relating to people under the age of 18 accessing NHS-commissioned adult IAPT services including:

• NHS Mental Health Trusts
• NHS Acute Trusts
• NHS Community Health Trusts
• Independent and third sector healthcare providers offering a service model that includes NHS funded patients where this is direct provision of IAPT services. 

NHS Digital has been directed by the Secretary of State, through the Department of Health and Social Care (DHSC), and separately by NHS England under section 254 of the Health and Social Care Act 2012; to establish and operate systems for the collection and analysis of the information specified for this service. 

Read the DHSC directions for Employment Advisers in IAPT (2017)

Read the NHS England directions for IAPT services (2018)

Read the NHS England directions for Long Term Conditions in IAPT (2018)

Version 2.0 of the IAPT Data Set will be collected locally from 1 September 2020 with national submissions commencing on 1 October 2020 for September 2020 data. The frequency of the submission has not been altered and will continue on a monthly basis.

Read the IAPT submission guidance and timetable