Community Mental Health Care

National Minimum Data Set

2025-26 version 7.00

The metadata for CMHC 7.00 can be found on the Online Validator metadata page

Table of Contents

• 1. 2025-26 CMHC NMDS
  • 1.1. Essential definitions
  • 1.2. Changes for 2025-26
  • 1.3. Reporting service provider entities
  • 1.4. Data model of the CMHC Extract
  • 1.5. Data integrity
  • 1.6. Data set specification (DSS)
  • 1.7. Data elements
  • 1.8. Virtual elements
  • 1.9. Rules
• 2. Submission and validation of CMHC NMDS data files
  • 2.1. Timelines
  • 2.2. File type and naming convention
  • 2.3. Validation
  • 2.4. Submission report
  • 2.5. Additional information and queries
• 3. Appendix A: Notes on reporting service contacts for non-uniquely identifiable clients
  • 3.1. Background
  • 3.2. How contacts for non-uniquely identifiable clients should be reported for CMHC extract purposes
  • 3.3. Options for how patient identifiers for non-uniquely identifiable clients can be generated

Download this specification as a PDF.