#### NHS 111
Domain Message Specification

### About

Overview: NHS 111 Domain Message Specification

The NHS 111 Domain Message Specification supports the following care communications:

- NHS 111 Report
- NHS 111 Ambulance Request
- CAD to CAD (999 to 999) Ambulance Request (NEW in Version: 2.1)
- NHS 111 Repeat Caller Service Query
- NHS 111 Repeat Caller Service Response
- Interaction to communicate Repeat Caller reports to a GP

The payload(s) contained in this specification do not require the receiver to have connectivity to the Spine Directory Services (SDS) to be able to fully process payloads.

Also included in this Domain Message Specification are artefacts required to instantiate the message specifications - for details click on the "Associated Specifications" tab.

Notes:

- Version: 2.1 of the NHS 111 specification offers guidance on using the Ambulance Request message as a CAD to CAD (999 to 999) Ambulance Request message - see Guidance for the Creation of an NHS 111 Ambulance Request & CAD to CAD Ambulance Request on the Associated Specifications page
- Validation tools are now downloadable from TRUD in the "NHS Interoperability Specifications Tooling Pack".
- Within this specification "greyed out" buttons are used where the artefact is either not applicable or currently unavailable.

| This work is based on material originally published in the HL7 Version 3 Standard, © 2002-2004 by Health Level Seven, Incorporated. Readers are recommended to consult the indicated versions of referenced materials as published by HL7 or HL7 UK. Membership details for HL7 UK are available at www.hl7.org.uk . The authors gratefully acknowledge input from HL7 UK and HL7 members during the development of this work. The messages are designed to meet NHS requirements as an implementation specification of the HL7 Version 3 standards material available during development.