Mental Health Services Data Set (MHSDS) publication data from NHS England.

SET 3 METADATA AND PROVENANCE

Source organisation: NHS England

Official source publication: https://digital.nhs.uk/data-and-information/publications/statistical/mental-health-services-monthly-statistics

Metadata reconciliation: March 2026 data-quality communications. This resource uses a provider/DQ schema rather than MHSDS metric IDs.

Supporting metadata: https://lcrdigitalcommons.com/dataset/mhsds-combined-metadata-20260608

The supporting metadata workbook provides relevant metric definitions, reporting periods, numerator and denominator definitions, construction rules, breakdowns and data-quality documentation.