Supporting Information provides information to help users understand and use the NHS Data Model and Dictionary.

Use the links below to access more detailed information:

Coding and Classifications:

Organisation Information:

• Activity Location Type Codes
• Clinical Coding
• Main Specialty and Treatment Function Codes
• Organ System Supported Guidance Notes

• Health and Social Care Organisation Reference Data
• Organisation Data Service Default Codes
• NHS Postcode Directory
• Organisation Mergers

NHS Data Model and Dictionary Information:

Contacts / Links:

• About the NHS Data Model and Dictionary Version 3
• Change Request Log
• Disclaimer

Archived Publications

• NHS Data Model and Dictionary Version 2.0

• Contact Details
• Published Information Standards Documentation
• NHS Data Model and Dictionary Service Web Pages