The Mental Health and Learning Disabilities Data Set is the previous name for the Mental Health Services Data Set, and superseded the Mental Health Minimum Data Set. The Mental Health and Learning Disabilities Data Set collected data from the health records of individual children, young people and adults who are in contact with mental health services. https://digital.nhs.uk/data-and-information/data-collections-and-data-sets/data-sets/mental-health-services-data-set