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Mental Health Services Data Set Version 4.1

Data Provision Notice requiring submission of data to fulfil the requirements of the national Mental Health Services Data Set (MHSDS).


The Mental Health Services Data Set (MHSDS) is a patient level, output-based, secondary uses data set to deliver nationally consistent and comparable person-based information for children, young people and adults who are in contact with mental health, learning disabilities or autism spectrum disorder services. 

Scope of the collection

Service providers and organisations in England that provide specialist secondary mental health and/or learning disabilities and/or autism spectrum disorder services (irrespective of funding arrangements) including:

  • NHS Mental Health Trusts
  • NHS Acute Trusts
  • NHS Community Health Trusts
  • Independent and third sector healthcare providers and any other qualified providers offering a service model that includes NHS funded and non-NHS funded patients.


Version 4.1 of the Mental Health Services Data Set came into effect on 1 April 2020, with submission as set out in the MHSDS submission timetable.

Read the MHSDS submission guidance and timetable

Read the Data Provision Notice

Last edited: 11 March 2021 1:59 pm