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From 2016/17 the Mental Health Services Dataset (MHSDS) - supplemented by the Annual uses of the Mental Health Act 1983 in English acute trusts (MHA Acute) collection - became the official source of statistics on the use of the Mental Health Act 1983 in healthcare settings.
The Mental Health Minimum Data Set (MHMDS) was renamed Mental Health and Learning Disabilities Data Set (MHLDDS) following an expansion in scope (from September 2014) to include people in contact with learning disability services for the first time.
Tools and guidance to help mental health service providers implement the Mental Health Services Data Set (MHSDS). It also includes how to submit data, what data is required and the SNOMED CT codes used.